{"id":14577,"date":"2026-04-28T18:00:50","date_gmt":"2026-04-28T11:00:50","guid":{"rendered":"https:\/\/aptrubber.com\/?page_id=14577"},"modified":"2026-05-22T16:40:07","modified_gmt":"2026-05-22T09:40:07","slug":"tcvn-3769-natural-rubber-standard","status":"publish","type":"page","link":"https:\/\/aptrubber.com\/zh\/tcvn-3769-natural-rubber-standard\/","title":{"rendered":"TCVN3769-2016"},"content":{"rendered":"<p><main class=\"tcvn-standard-page bg-white font-body text-pro-navy overflow-x-hidden antialiased\"><\/p>\n<p>    <!-- Hero Section --><\/p>\n<header class=\"relative min-h-[450px] lg:min-h-[500px] flex items-center pt-16 pb-16 overflow-hidden bg-[url('https:\/\/images.pexels.com\/photos\/3825586\/pexels-photo-3825586.jpeg?auto=compress&#038;cs=tinysrgb&#038;w=1920')] bg-cover bg-center border-b border-stone-200\">\n<div class=\"absolute inset-0 bg-gradient-to-r from-stone-900 via-stone-900\/80 to-stone-900\/30\"><\/div>\n<div class=\"apt-container px-4 sm:px-6 lg:px-8 relative z-10 w-full\">\n<div class=\"max-w-3xl\">\n<h1 id=\"h1-title\" class=\"text-3xl md:text-4xl lg:text-5xl font-headline font-bold text-white leading-[1.15] mb-6\">\n                    TCVN 3769:2016 \u2013 SVR Natural Rubber Technical Standard<br \/>\n                    <span class=\"text-primary-green block mt-2 text-xl lg:text-2xl font-semibold\">(Full PDF + Specification Table)<\/span><br \/>\n                <\/h1>\n<p id=\"hero-desc\" class=\"text-sm md:text-base lg:text-lg text-stone-200 opacity-90 leading-relaxed mb-8 max-w-2xl font-light\">\n                    Official Vietnamese technical standard for Standard Vietnamese Rubber (SVR) production and export. Access the full document and specification table below.\n                <\/p>\n<div class=\"flex flex-wrap gap-4 items-center\">\n                    <button onclick=\"handleDownload()\" class=\"btn-primary px-6 py-3 text-sm flex items-center gap-2 group\"><\/p>\n<div class=\"w-6 h-6 bg-primary-green rounded-full flex items-center justify-center transition-transform group-hover:translate-y-0.5 text-white\">\n                            <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" fill=\"none\" viewBox=\"0 0 24 24\" stroke-width=\"3\" stroke=\"currentColor\" class=\"w-3.5 h-3.5\">\n                                <path stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M19.5 13.5L12 21m0 0l-7.5-7.5M12 21V3\" \/>\n                            <\/svg>\n                        <\/div>\n<p>                        <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" fill=\"none\" viewBox=\"0 0 24 24\" stroke-width=\"2\" stroke=\"currentColor\" class=\"w-5 h-5 ml-1\">\n                            <path stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M19.5 14.25v-2.625a3.375 3.375 0 00-3.375-3.375h-1.5A1.125 1.125 0 0113.5 7.125v-1.5a3.375 3.375 0 00-3.375-3.375H8.25m2.25 0H5.625c-.621 0-1.125.504-1.125 1.125v17.25c0 .621.504 1.125 1.125 1.125h12.75c.621 0 1.125-.504 1.125-1.125V11.25a9 9 0 00-9-9z\" \/>\n                        <\/svg><br \/>\n                        DOWNLOAD PDF<br \/>\n                    <\/button><br \/>\n                    <button onclick=\"scrollToId('matrix')\" class=\"btn-secondary !border-white !text-white hover:!bg-white hover:!text-authority-dark px-6 py-3 text-sm flex items-center gap-2\"><br \/>\n                        VIEW SPECIFICATION TABLE<br \/>\n                    <\/button>\n                <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/header>\n<p>    <!-- Context Section --><\/p>\n<section id=\"intro\" class=\"py-12 lg:py-16 bg-white\">\n<div class=\"apt-container px-4 sm:px-6 lg:px-8\">\n<div class=\"grid lg:grid-cols-5 gap-10 items-start\">\n<div class=\"lg:col-span-3 text-left\">\n<h2 class=\"text-2xl lg:text-3xl font-headline font-bold text-authority-dark mb-4 text-left\">What is TCVN 3769:2016?<\/h2>\n<p class=\"text-sm lg:text-base text-pro-navy leading-relaxed opacity-90 mb-4 text-left\">\n                        <strong>TCVN 3769:2016<\/strong> is the Vietnamese national standard defining technical specifications for Standard Vietnamese Rubber (SVR). The standard establishes quality requirements including dirt content, ash content, nitrogen content, volatile matter, plasticity retention index (PRI), and Mooney viscosity for different SVR grades such as CV60, CV50, 3L, 10, and 20.\n                    <\/p>\n<p class=\"text-sm lg:text-base text-pro-navy leading-relaxed opacity-95 mb-6 font-medium border-l-2 border-primary-green pl-4 text-left\">\n                        The TCVN 3769:2016 standard defines quality requirements for Standard Vietnamese Rubber (SVR) including impurity limits, viscosity parameters, testing methods, packaging requirements, and acceptance criteria for international rubber trade.\n                    <\/p>\n<div class=\"mt-4 text-left\">\n<h3 class=\"text-sm font-bold text-authority-dark mb-3 text-left\">TCVN 3769:2016 applies to the following SVR grades:<\/h3>\n<div class=\"flex flex-wrap gap-2 text-left\">\n                            <span class=\"px-3 py-1.5 bg-eco-tint text-primary-green text-xs font-bold rounded-lg border border-primary-green\/20\">SVR CV60<\/span><br \/>\n                            <span class=\"px-3 py-1.5 bg-eco-tint text-primary-green text-xs font-bold rounded-lg border border-primary-green\/20\">SVR CV50<\/span><br \/>\n                            <span class=\"px-3 py-1.5 bg-eco-tint text-primary-green text-xs font-bold rounded-lg border border-primary-green\/20\">SVR 3L<\/span><br \/>\n                            <span class=\"px-3 py-1.5 bg-eco-tint text-primary-green text-xs font-bold rounded-lg border border-primary-green\/20\">SVR 5<\/span><br \/>\n                            <span class=\"px-3 py-1.5 bg-eco-tint text-primary-green text-xs font-bold rounded-lg border border-primary-green\/20\">SVR 10<\/span><br \/>\n                            <span class=\"px-3 py-1.5 bg-eco-tint text-primary-green text-xs font-bold rounded-lg border border-primary-green\/20\">SVR 20<\/span><br \/>\n                            <span class=\"px-3 py-1.5 bg-eco-tint text-primary-green text-xs font-bold rounded-lg border border-primary-green\/20\">SVR 10CV<\/span><br \/>\n                            <span class=\"px-3 py-1.5 bg-eco-tint text-primary-green text-xs font-bold rounded-lg border border-primary-green\/20\">SVR 20CV<\/span>\n                        <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<p>                <!-- Semantic SEO Block: Related Standards --><\/p>\n<div class=\"lg:col-span-2 bg-stone-50 p-6 rounded-brand border border-stone-200 text-left\">\n<h3 class=\"text-base font-bold text-primary-green mb-4 flex items-center gap-2 text-left\">\n                        <span class=\"w-5 h-5 bg-primary-green text-white rounded flex items-center justify-center text-[9px]\">ISO<\/span><br \/>\n                        Associated ISO Test Standards<br \/>\n                    <\/h3>\n<p class=\"text-sm text-pro-navy leading-relaxed opacity-90 mb-4 text-left\">\n                        TCVN 3769:2016 references several ISO-aligned methods for dirt content, ash, nitrogen, PRI, Mooney viscosity, and gel content testing.\n                    <\/p>\n<div class=\"grid grid-cols-1 sm:grid-cols-2 gap-3 text-left\">\n<div class=\"flex items-center gap-2 text-xs font-medium text-pro-navy\">\n                            <span class=\"w-1.5 h-1.5 bg-primary-green rounded-full\"><\/span> ISO 249 \u2013 Dirt content\n                        <\/div>\n<div class=\"flex items-center gap-2 text-xs font-medium text-pro-navy\">\n                            <span class=\"w-1.5 h-1.5 bg-primary-green rounded-full\"><\/span> ISO 247 \u2013 Ash content\n                        <\/div>\n<div class=\"flex items-center gap-2 text-xs font-medium text-pro-navy\">\n                            <span class=\"w-1.5 h-1.5 bg-primary-green rounded-full\"><\/span> ISO 1656 \u2013 Nitrogen content\n                        <\/div>\n<div class=\"flex items-center gap-2 text-xs font-medium text-pro-navy\">\n                            <span class=\"w-1.5 h-1.5 bg-primary-green rounded-full\"><\/span> ISO 248 \u2013 Volatile matter\n                        <\/div>\n<div class=\"flex items-center gap-2 text-xs font-medium text-pro-navy\">\n                            <span class=\"w-1.5 h-1.5 bg-primary-green rounded-full\"><\/span> ISO 2007 \u2013 Initial Plasticity\n                        <\/div>\n<div class=\"flex items-center gap-2 text-xs font-medium text-pro-navy\">\n                            <span class=\"w-1.5 h-1.5 bg-primary-green rounded-full\"><\/span> ISO 2930 \u2013 PRI\n                        <\/div>\n<div class=\"flex items-center gap-2 text-xs font-medium text-pro-navy\">\n                            <span class=\"w-1.5 h-1.5 bg-primary-green rounded-full\"><\/span> ISO 4660 \u2013 Lovibond Color Index\n                        <\/div>\n<div class=\"flex items-center gap-2 text-xs font-medium text-pro-navy\">\n                            <span class=\"w-1.5 h-1.5 bg-primary-green rounded-full\"><\/span> ISO 289-1 \u2013 Mooney viscosity\n                        <\/div>\n<div class=\"flex items-center gap-2 text-xs font-medium text-pro-navy\">\n                            <span class=\"w-1.5 h-1.5 bg-primary-green rounded-full\"><\/span> ISO 17278 \u2013 Gel content\n                        <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/section>\n<p>    <!-- Technical Matrix Section --><\/p>\n<section id=\"matrix\" class=\"py-12 lg:py-16 bg-stone-50 border-t border-stone-200\">\n<div class=\"apt-container px-4 sm:px-6 lg:px-8\">\n<div class=\"flex flex-col lg:flex-row justify-between items-start lg:items-end mb-8 gap-6\">\n<div class=\"lg:max-w-2xl text-left\">\n<h2 class=\"text-2xl lg:text-3xl font-headline font-bold text-authority-dark mb-2 uppercase tracking-tight text-left\">SVR Technical Requirements<\/h2>\n<p class=\"text-xs lg:text-sm text-pro-navy opacity-70 text-left\">Official Specification Matrix according to TCVN 3769:2016.<\/p>\n<\/p><\/div>\n<div class=\"w-full lg:w-auto text-left\">\n<div class=\"relative mb-3 lg:w-[350px] text-left\">\n                        <input type=\"text\" id=\"gradeFilter\" onkeyup=\"highlightGrade()\" placeholder=\"Search grade (e.g. 3L, CV60)...\" class=\"w-full pl-9 pr-3 py-2 bg-white border border-stone-300 rounded-lg focus:outline-none focus:ring-1 focus:ring-primary-green text-sm text-pro-navy placeholder:font-normal\"><br \/>\n                        <span class=\"absolute left-3 top-2.5 text-stone-400 text-sm\">&#128269;<\/span>\n                    <\/div>\n<div class=\"flex flex-wrap items-center gap-2 text-left\">\n                        <span class=\"text-[9px] font-bold text-pro-navy\/50 uppercase tracking-widest mr-1 text-left\">Compare:<\/span><br \/>\n                        <button onclick=\"quickCompare(['3L', '5'])\" class=\"compare-btn\">3L &#038; 5<\/button><br \/>\n                        <button onclick=\"quickCompare(['CV60', 'CV50'])\" class=\"compare-btn\">CV 60 &#038; 50<\/button><br \/>\n                        <button onclick=\"quickCompare(['10CV', '20CV'])\" class=\"compare-btn\">10CV &#038; 20CV<\/button><br \/>\n                        <button onclick=\"quickCompare(['10', '20'])\" class=\"compare-btn\">10 &#038; 20<\/button>\n                    <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<div class=\"overflow-x-auto bg-white border border-stone-200 rounded-brand shadow-sm\">\n<table class=\"w-full official-table border-collapse\" id=\"officialSpecs\">\n<thead>\n<tr>\n<th rowspan=\"2\" class=\"param-col !bg-authority-dark !text-white py-3\">Parameter Description<\/th>\n<th colspan=\"10\" class=\"bg-primary-green text-white uppercase tracking-wider text-[10px] py-2 text-center font-bold\">Standard Vietnamese Rubber (SVR) Grades<\/th>\n<th rowspan=\"2\" class=\"method-col !bg-authority-dark !text-white py-3\">Test Method<\/th>\n<\/tr>\n<tr class=\"bg-eco-tint\/30\">\n<th class=\"grade-col py-2 font-bold\" data-grade=\"LOV\">LoV<\/th>\n<th class=\"grade-col py-2 font-bold\" data-grade=\"CV60\">CV60<\/th>\n<th class=\"grade-col py-2 font-bold\" data-grade=\"CV50\">CV50<\/th>\n<th class=\"grade-col py-2 font-bold\" data-grade=\"L\">L<\/th>\n<th class=\"grade-col py-2 font-bold\" data-grade=\"3L\">3L<\/th>\n<th class=\"grade-col py-2 font-bold\" data-grade=\"5\">5<\/th>\n<th class=\"grade-col py-2 font-bold\" data-grade=\"10CV\">10CV<\/th>\n<th class=\"grade-col py-2 font-bold\" data-grade=\"10\">10<\/th>\n<th class=\"grade-col py-2 font-bold\" data-grade=\"20CV\">20CV<\/th>\n<th class=\"grade-col py-2 font-bold\" data-grade=\"20\">20<\/th>\n<\/tr>\n<\/thead>\n<tbody class=\"text-pro-navy\">\n<tr>\n<td class=\"param-col\">1. Dirt content (retained on 44\u00b5m aperture), % wt, max<\/td>\n<td>0.02<\/td>\n<td>0.02<\/td>\n<td>0.02<\/td>\n<td>0.02<\/td>\n<td>0.03<\/td>\n<td>0.05<\/td>\n<td>0.08<\/td>\n<td>0.08<\/td>\n<td>0.16<\/td>\n<td>0.16<\/td>\n<td class=\"method-col\">TCVN 6089 (ISO 249)<\/td>\n<\/tr>\n<tr class=\"bg-stone-50\/50\">\n<td class=\"param-col\">2. Ash content, % wt, max<\/td>\n<td>0.40<\/td>\n<td>0.40<\/td>\n<td>0.40<\/td>\n<td>0.40<\/td>\n<td>0.50<\/td>\n<td>0.60<\/td>\n<td>0.60<\/td>\n<td>0.60<\/td>\n<td>0.80<\/td>\n<td>0.80<\/td>\n<td class=\"method-col\">TCVN 6087 (ISO 247)<\/td>\n<\/tr>\n<tr>\n<td class=\"param-col\">3. Nitrogen content, % wt, max<\/td>\n<td>0.30<\/td>\n<td>0.60<\/td>\n<td>0.60<\/td>\n<td>0.60<\/td>\n<td>0.60<\/td>\n<td>0.60<\/td>\n<td>0.60<\/td>\n<td>0.60<\/td>\n<td>0.60<\/td>\n<td>0.60<\/td>\n<td class=\"method-col\">TCVN 6091 (ISO 1656)<\/td>\n<\/tr>\n<tr class=\"bg-stone-50\/50\">\n<td class=\"param-col\">4. Volatile matter content, % wt, max<\/td>\n<td>0.80<\/td>\n<td>0.80<\/td>\n<td>0.80<\/td>\n<td>0.80<\/td>\n<td>0.80<\/td>\n<td>0.80<\/td>\n<td>0.80<\/td>\n<td>0.80<\/td>\n<td>0.80<\/td>\n<td>0.80<\/td>\n<td class=\"method-col\">TCVN 6088 (ISO 248)<\/td>\n<\/tr>\n<tr>\n<td class=\"param-col\">5. Initial Plasticity (P\u2080), min<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<td>35<\/td>\n<td>35<\/td>\n<td>30<\/td>\n<td>&#8211;<\/td>\n<td>30<\/td>\n<td>&#8211;<\/td>\n<td>30<\/td>\n<td class=\"method-col\">TCVN 8493 (ISO 2007)<\/td>\n<\/tr>\n<tr class=\"bg-stone-50\/50\">\n<td class=\"param-col\">6. Plasticity Retention Index (PRI), min<\/td>\n<td>&#8211;<\/td>\n<td>60<\/td>\n<td>60<\/td>\n<td>60<\/td>\n<td>60<\/td>\n<td>60<\/td>\n<td>50<\/td>\n<td>50<\/td>\n<td>40<\/td>\n<td>40<\/td>\n<td class=\"method-col\">TCVN 8494 (ISO 2930)<\/td>\n<\/tr>\n<tr>\n<td class=\"param-col\">7. Lovibond Color Index, individual, max<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<td>4<\/td>\n<td>6<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<td class=\"method-col\">TCVN 6093 (ISO 4660)<\/td>\n<\/tr>\n<tr class=\"bg-stone-50\/50\">\n<td class=\"param-col\">8. Mooney Viscosity ML (1+4) at 100\u00b0C<\/td>\n<td>55 \u00b1 10<\/td>\n<td>60 \u00b1 5<\/td>\n<td>50 \u00b1 5<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<td>60 (+7\/-5)<\/td>\n<td>&#8211;<\/td>\n<td>65 (+7\/-5)<\/td>\n<td>&#8211;<\/td>\n<td class=\"method-col\">TCVN 6090-1 (ISO 289-1)<\/td>\n<\/tr>\n<tr>\n<td class=\"param-col\">9. Gel content, % wt, max<\/td>\n<td>4.0<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<td class=\"method-col\">ISO 17278<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<div class=\"mt-6 flex flex-col lg:flex-row gap-6\">\n<div class=\"flex-1 p-5 bg-white border border-stone-200 rounded-brand shadow-sm text-xs text-pro-navy text-left\">\n<p class=\"font-bold mb-2 uppercase tracking-wider text-primary-green flex items-center gap-2 text-left\">\n                        <span class=\"w-4 h-4 bg-primary-green text-white rounded-full flex items-center justify-center text-[8px]\">i<\/span><br \/>\n                        Technical Notes\n                    <\/p>\n<ol class=\"space-y-1.5 list-decimal ml-5 opacity-90 text-left\">\n<li><strong>SVR 5S<\/strong> is a sub-class of SVR 5 (processed from field latex with <strong>Po from 30 to 41<\/strong>).<\/li>\n<li>Other levels of <strong>viscosity<\/strong> may be agreed by related parties.<\/li>\n<li>Other levels of <strong>gel content<\/strong> may be agreed by related parties.<\/li>\n<\/ol><\/div>\n<\/p><\/div>\n<p>            <!-- Secondary Download CTA --><\/p>\n<div class=\"mt-10 flex justify-center\">\n                <button onclick=\"handleDownload()\" class=\"btn-primary px-8 py-4 text-sm flex items-center gap-2 group\"><\/p>\n<div class=\"w-6 h-6 bg-white rounded-full flex items-center justify-center transition-transform group-hover:translate-y-0.5 text-primary-green\">\n                        <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" fill=\"none\" viewBox=\"0 0 24 24\" stroke-width=\"3\" stroke=\"currentColor\" class=\"w-3.5 h-3.5\">\n                            <path stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M19.5 13.5L12 21m0 0l-7.5-7.5M12 21V3\" \/>\n                        <\/svg>\n                    <\/div>\n<p>                    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" fill=\"none\" viewBox=\"0 0 24 24\" stroke-width=\"2\" stroke=\"currentColor\" class=\"w-5 h-5 ml-1 text-authority-dark\">\n                        <path stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M19.5 14.25v-2.625a3.375 3.375 0 00-3.375-3.375h-1.5A1.125 1.125 0 0113.5 7.125v-1.5a3.375 3.375 0 00-3.375-3.375H8.25m2.25 0H5.625c-.621 0-1.125.504-1.125 1.125v17.25c0 .621.504 1.125 1.125 1.125h12.75c.621 0 1.125-.504 1.125-1.125V11.25a9 9 0 00-9-9z\" \/>\n                    <\/svg><br \/>\n                    Download the official TCVN 3769:2016 PDF<br \/>\n                <\/button>\n            <\/div>\n<\/p><\/div>\n<\/section>\n<p>    <!-- Technical Preview Section --><\/p>\n<section class=\"py-12 lg:py-16 bg-stone-50 border-y border-stone-200\">\n<div class=\"apt-container px-4 sm:px-6 lg:px-8\">\n<div class=\"grid lg:grid-cols-12 gap-8 lg:items-stretch items-start\">\n<p>                <!-- Sidebar Navigation --><\/p>\n<div class=\"lg:col-span-4 flex flex-col text-left\">\n<div class=\"mb-5 text-left\">\n<h5 class=\"text-[10px] font-bold uppercase tracking-widest text-primary-green mb-2 text-left\">Document Intelligence<\/h5>\n<h2 class=\"text-2xl font-headline font-bold text-authority-dark text-left\">TCVN 3769:2016 Document Structure<\/h2>\n<p class=\"text-sm text-pro-navy opacity-70 mt-2 text-left\">\n                            Explore the structural components of the national standard.\n                        <\/p>\n<\/p><\/div>\n<div class=\"space-y-1 flex-grow flex flex-col justify-center text-left\">\n                        <button onclick=\"switchPreview('scope')\" id=\"tab-scope\" class=\"preview-tab active w-full text-left px-4 py-2 rounded-lg text-sm flex justify-between items-center text-pro-navy\"><br \/>\n                            <span>1. SCOPE<\/span><br \/>\n                        <\/button><br \/>\n                        <button onclick=\"switchPreview('references')\" id=\"tab-references\" class=\"preview-tab w-full text-left px-4 py-2 rounded-lg text-sm flex justify-between items-center text-pro-navy hover:bg-stone-100\"><br \/>\n                            <span>2. NORMATIVE REFERENCES<\/span><br \/>\n                        <\/button><br \/>\n                        <button onclick=\"switchPreview('definitions')\" id=\"tab-definitions\" class=\"preview-tab w-full text-left px-4 py-2 rounded-lg text-sm flex justify-between items-center text-pro-navy hover:bg-stone-100\"><br \/>\n                            <span>3. TERMS AND DEFINITIONS<\/span><br \/>\n                        <\/button><br \/>\n                        <button onclick=\"switchPreview('materials')\" id=\"tab-materials\" class=\"preview-tab w-full text-left px-4 py-2 rounded-lg text-sm flex justify-between items-center text-pro-navy hover:bg-stone-100\"><br \/>\n                            <span>4. RAW MATERIALS<\/span><br \/>\n                        <\/button><br \/>\n                        <button onclick=\"switchPreview('classification')\" id=\"tab-classification\" class=\"preview-tab w-full text-left px-4 py-2 rounded-lg text-sm flex justify-between items-center text-pro-navy hover:bg-stone-100\"><br \/>\n                            <span>5. CLASSIFICATION<\/span><br \/>\n                        <\/button><br \/>\n                        <button onclick=\"switchPreview('requirements')\" id=\"tab-requirements\" class=\"preview-tab w-full text-left px-4 py-2 rounded-lg text-sm flex justify-between items-center text-pro-navy hover:bg-stone-100\"><br \/>\n                            <span>6. TECHNICAL REQUIREMENTS<\/span><br \/>\n                        <\/button><br \/>\n                        <button onclick=\"switchPreview('sampling')\" id=\"tab-sampling\" class=\"preview-tab w-full text-left px-4 py-2 rounded-lg text-sm flex justify-between items-center text-pro-navy hover:bg-stone-100\"><br \/>\n                            <span>7. SAMPLING<\/span><br \/>\n                        <\/button><br \/>\n                        <button onclick=\"switchPreview('packaging')\" id=\"tab-packaging\" class=\"preview-tab w-full text-left px-4 py-2 rounded-lg text-sm flex justify-between items-center text-pro-navy hover:bg-stone-100\"><br \/>\n                            <span>8. PACKAGING, LABELING, STORAGE &#038; TRANSPORTATION<\/span><br \/>\n                        <\/button><br \/>\n                        <button onclick=\"switchPreview('acceptance')\" id=\"tab-acceptance\" class=\"preview-tab w-full text-left px-4 py-2 rounded-lg text-sm flex justify-between items-center text-pro-navy hover:bg-stone-100\"><br \/>\n                            <span>9. ACCEPTANCE EVALUATION<\/span><br \/>\n                        <\/button>\n                    <\/div>\n<\/p><\/div>\n<p>                <!-- Document Reader --><\/p>\n<div class=\"lg:col-span-8 flex justify-center lg:justify-end\">\n<div class=\"doc-page w-full max-w-[600px] h-full min-h-[500px] bg-white p-8 lg:p-10 relative flex flex-col text-left\">\n<p>                        <!-- Doc Header --><\/p>\n<div class=\"flex justify-between items-end pb-4 border-b-2 border-authority-dark mb-6 text-left\">\n<div class=\"text-left\">\n<p class=\"text-xs font-bold text-stone-400 text-left\">TCVN 3769:2016<\/p>\n<p class=\"text-[9px] font-bold text-stone-400 uppercase mt-0.5 text-left\">National Standard of Vietnam<\/p>\n<\/p><\/div>\n<div class=\"bg-primary-green px-2 py-1 flex items-center justify-center\">\n                                <span class=\"text-white text-[10px] font-bold\">SVR<\/span>\n                            <\/div>\n<\/p><\/div>\n<p>                        <!-- Doc Content --><\/p>\n<div id=\"preview-content\" class=\"flex-grow text-left\">\n                            <!-- Content Injected by JS -->\n                        <\/div>\n<p>                        <!-- Doc Footer --><\/p>\n<div class=\"flex justify-between items-center border-t border-stone-100 pt-4 mt-6 text-left\">\n                            <span class=\"text-[9px] text-stone-400 text-left\">Standard Reference Portal<\/span><br \/>\n                            <span id=\"page-num\" class=\"text-[9px] text-stone-400\">Page 01\/24<\/span>\n                        <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/section>\n<p>    <!-- Compliance Bar --><\/p>\n<section class=\"bg-authority-dark py-10\">\n<div class=\"apt-container px-4 sm:px-6 lg:px-8\">\n<div class=\"grid grid-cols-1 md:grid-cols-3 gap-8 text-center md:text-left\">\n<p>                <!-- Badge 1: ISO 17025 --><\/p>\n<div class=\"flex flex-col md:flex-row items-center gap-4 group text-left\">\n<div class=\"w-14 h-14 rounded-2xl bg-[#0a3f1f] border border-[#0f592f] flex items-center justify-center text-[#4ade80] transition-transform group-hover:scale-105 shadow-inner shrink-0\">\n                        <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" class=\"w-6 h-6\">\n                            <path d=\"M3.85 8.62a4 4 0 0 1 4.78-4.77 4 4 0 0 1 6.74 0 4 4 0 0 1 4.78 4.78 4 4 0 0 1 0 6.74 4 4 0 0 1-4.77 4.78 4 4 0 0 1-6.75 0 4 4 0 0 1-4.78-4.77 4 4 0 0 1 0-6.76Z\"><\/path>\n                            <path d=\"m9 12 2 2 4-4\"><\/path>\n                        <\/svg>\n                    <\/div>\n<div class=\"text-left\">\n<h4 class=\"text-white font-bold text-sm uppercase tracking-wider mb-0.5 text-left\">ISO\/IEC 17025<\/h4>\n<p class=\"text-eco-tint text-[11px] opacity-70 text-left\">Laboratory Competence Framework<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<p>                <!-- Badge 2: VILAS --><\/p>\n<div class=\"flex flex-col md:flex-row items-center gap-4 group text-left\">\n<div class=\"w-14 h-14 rounded-2xl bg-[#0a3f1f] border border-[#0f592f] flex items-center justify-center text-[#4ade80] transition-transform group-hover:scale-105 shadow-inner shrink-0\">\n                        <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" class=\"w-6 h-6\">\n                            <path d=\"M8.5 2h7\"><\/path>\n                            <path d=\"M10 2v10.5l-5 8A1 1 0 0 0 6 22h12a1 1 0 0 0 .85-1.5l-5-8V2\"><\/path>\n                            <path d=\"M6 16h12\"><\/path>\n                        <\/svg>\n                    <\/div>\n<div class=\"text-left\">\n<h4 class=\"text-white font-bold text-sm uppercase tracking-wider mb-0.5 text-left\">VILAS<\/h4>\n<p class=\"text-eco-tint text-[11px] opacity-70 text-left\">Recognized Testing Accreditation<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<p>                <!-- Badge 3: Standards-Based --><\/p>\n<div class=\"flex flex-col md:flex-row items-center gap-4 group text-left\">\n<div class=\"w-14 h-14 rounded-2xl bg-[#0a3f1f] border border-[#0f592f] flex items-center justify-center text-[#4ade80] transition-transform group-hover:scale-105 shadow-inner shrink-0\">\n                        <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" class=\"w-6 h-6\">\n                            <rect width=\"8\" height=\"4\" x=\"8\" y=\"2\" rx=\"1\" ry=\"1\"><\/rect>\n                            <path d=\"M16 4h2a2 2 0 0 1 2 2v14a2 2 0 0 1-2 2H6a2 2 0 0 1-2-2V6a2 2 0 0 1 2-2h2\"><\/path>\n                            <path d=\"m9 14 2 2 4-4\"><\/path>\n                        <\/svg>\n                    <\/div>\n<div class=\"text-left\">\n<h4 class=\"text-white font-bold text-sm uppercase tracking-wider mb-0.5 text-left\">Standards-Based Testing<\/h4>\n<p class=\"text-eco-tint text-[11px] opacity-70 text-left\">Aligned with SVR Test Methods<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/section>\n<p>    <!-- Collapsible FAQ Section --><\/p>\n<section class=\"py-16 bg-white border-t border-stone-100\">\n<div class=\"apt-container px-4 sm:px-6 lg:px-8\">\n<h2 class=\"text-2xl lg:text-3xl font-headline font-bold text-authority-dark mb-10 text-center\">Frequently Asked Questions About TCVN 3769:2016<\/h2>\n<div class=\"space-y-3\">\n<p>                <!-- FAQ 1 (Open by default) --><\/p>\n<div class=\"faq-item bg-stone-50 rounded-xl border border-stone-200 overflow-hidden text-left\">\n                    <button onclick=\"toggleFaq(this)\" class=\"w-full flex justify-between items-center p-4 sm:p-6 text-left focus:outline-none\"><\/p>\n<h4 class=\"text-base font-bold text-authority-dark pr-4 text-left\">1. What is TCVN 3769:2016?<\/h4>\n<p>                        <span class=\"faq-icon text-primary-green font-bold transition-transform duration-300 text-xl shrink-0 rotate-180\">\u2193<\/span><br \/>\n                    <\/button><\/p>\n<div class=\"faq-content grid transition-all duration-300 ease-in-out text-left\" style=\"grid-template-rows: 1fr;\">\n<div class=\"overflow-hidden text-left\">\n<div class=\"px-4 sm:px-6 pb-4 sm:pb-6 text-left\">\n<div class=\"border-t border-stone-200 pt-4 text-pro-navy text-sm leading-relaxed opacity-90 text-left\">\n                                    TCVN 3769:2016 is the Vietnamese national technical standard for Standard Vietnamese Rubber (SVR). It defines quality requirements, classification, testing criteria, and acceptance parameters for SVR grades used in domestic and export markets. The standard helps buyers, manufacturers, and quality-control teams evaluate rubber consistently.\n                                <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<p>                <!-- FAQ 2 --><\/p>\n<div class=\"faq-item bg-stone-50 rounded-xl border border-stone-200 overflow-hidden text-left\">\n                    <button onclick=\"toggleFaq(this)\" class=\"w-full flex justify-between items-center p-4 sm:p-6 text-left focus:outline-none\"><\/p>\n<h4 class=\"text-base font-bold text-authority-dark pr-4 text-left\">2. What grades are covered under TCVN 3769:2016?<\/h4>\n<p>                        <span class=\"faq-icon text-primary-green font-bold transition-transform duration-300 text-xl shrink-0\">\u2193<\/span><br \/>\n                    <\/button><\/p>\n<div class=\"faq-content grid transition-all duration-300 ease-in-out text-left\" style=\"grid-template-rows: 0fr;\">\n<div class=\"overflow-hidden text-left\">\n<div class=\"px-4 sm:px-6 pb-4 sm:pb-6 text-left\">\n<div class=\"border-t border-stone-200 pt-4 text-pro-navy text-sm leading-relaxed opacity-90 text-left\">\n                                    TCVN 3769:2016 covers major SVR grades, including SVR CV60, SVR CV50, SVR L, SVR 3L, SVR 5, SVR 10CV, SVR 10, SVR 20CV, and SVR 20. These grades are classified based on technical properties such as viscosity, impurity limits, color, and other specification criteria depending on the grade.\n                                <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<p>                <!-- FAQ 3 --><\/p>\n<div class=\"faq-item bg-stone-50 rounded-xl border border-stone-200 overflow-hidden text-left\">\n                    <button onclick=\"toggleFaq(this)\" class=\"w-full flex justify-between items-center p-4 sm:p-6 text-left focus:outline-none\"><\/p>\n<h4 class=\"text-base font-bold text-authority-dark pr-4 text-left\">3. What parameters are included in the SVR technical specification table?<\/h4>\n<p>                        <span class=\"faq-icon text-primary-green font-bold transition-transform duration-300 text-xl shrink-0\">\u2193<\/span><br \/>\n                    <\/button><\/p>\n<div class=\"faq-content grid transition-all duration-300 ease-in-out text-left\" style=\"grid-template-rows: 0fr;\">\n<div class=\"overflow-hidden text-left\">\n<div class=\"px-4 sm:px-6 pb-4 sm:pb-6 text-left\">\n<div class=\"border-t border-stone-200 pt-4 text-pro-navy text-sm leading-relaxed opacity-90 text-left\">\n                                    The SVR technical specification table typically includes key quality indicators such as dirt content, ash content, nitrogen content, volatile matter content, initial plasticity, Plasticity Retention Index (PRI), Lovibond color, Mooney viscosity, and gel content. The applicable parameters depend on the SVR grade being evaluated.\n                                <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<p>                <!-- FAQ 4 --><\/p>\n<div class=\"faq-item bg-stone-50 rounded-xl border border-stone-200 overflow-hidden text-left\">\n                    <button onclick=\"toggleFaq(this)\" class=\"w-full flex justify-between items-center p-4 sm:p-6 text-left focus:outline-none\"><\/p>\n<h4 class=\"text-base font-bold text-authority-dark pr-4 text-left\">4. What test methods are used in TCVN 3769:2016?<\/h4>\n<p>                        <span class=\"faq-icon text-primary-green font-bold transition-transform duration-300 text-xl shrink-0\">\u2193<\/span><br \/>\n                    <\/button><\/p>\n<div class=\"faq-content grid transition-all duration-300 ease-in-out text-left\" style=\"grid-template-rows: 0fr;\">\n<div class=\"overflow-hidden text-left\">\n<div class=\"px-4 sm:px-6 pb-4 sm:pb-6 text-left\">\n<div class=\"border-t border-stone-200 pt-4 text-pro-navy text-sm leading-relaxed opacity-90 text-left\">\n                                    TCVN 3769:2016 refers to recognized testing methods for evaluating SVR quality parameters. These include methods associated with dirt content, ash content, nitrogen content, volatile matter, PRI, Lovibond color, Mooney viscosity, and gel content. The standard aligns technical evaluation with established laboratory testing practices used in the rubber industry.\n                                <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<p>                <!-- FAQ 5 --><\/p>\n<div class=\"faq-item bg-stone-50 rounded-xl border border-stone-200 overflow-hidden text-left\">\n                    <button onclick=\"toggleFaq(this)\" class=\"w-full flex justify-between items-center p-4 sm:p-6 text-left focus:outline-none\"><\/p>\n<h4 class=\"text-base font-bold text-authority-dark pr-4 text-left\">5. What is the difference between TCVN 3769:2016 and TSR standards?<\/h4>\n<p>                        <span class=\"faq-icon text-primary-green font-bold transition-transform duration-300 text-xl shrink-0\">\u2193<\/span><br \/>\n                    <\/button><\/p>\n<div class=\"faq-content grid transition-all duration-300 ease-in-out text-left\" style=\"grid-template-rows: 0fr;\">\n<div class=\"overflow-hidden text-left\">\n<div class=\"px-4 sm:px-6 pb-4 sm:pb-6 text-left\">\n<div class=\"border-t border-stone-200 pt-4 text-pro-navy text-sm leading-relaxed opacity-90 text-left\">\n                                    TCVN 3769:2016 is the national Vietnamese standard specifically used for SVR grades, while TSR is a broader term referring to Technically Specified Rubber systems used in different producing countries. In practice, both serve a similar purpose: defining technical quality requirements for natural rubber grades. However, naming conventions, grade structure, and certain specification details may vary by country or standard system.\n                                <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<p>                <!-- FAQ 6 --><\/p>\n<div class=\"faq-item bg-stone-50 rounded-xl border border-stone-200 overflow-hidden text-left\">\n                    <button onclick=\"toggleFaq(this)\" class=\"w-full flex justify-between items-center p-4 sm:p-6 text-left focus:outline-none\"><\/p>\n<h4 class=\"text-base font-bold text-authority-dark pr-4 text-left\">6. Can I download the official TCVN 3769:2016 PDF?<\/h4>\n<p>                        <span class=\"faq-icon text-primary-green font-bold transition-transform duration-300 text-xl shrink-0\">\u2193<\/span><br \/>\n                    <\/button><\/p>\n<div class=\"faq-content grid transition-all duration-300 ease-in-out text-left\" style=\"grid-template-rows: 0fr;\">\n<div class=\"overflow-hidden text-left\">\n<div class=\"px-4 sm:px-6 pb-4 sm:pb-6 text-left\">\n<div class=\"border-t border-stone-200 pt-4 text-pro-navy text-sm leading-relaxed opacity-90 text-left\">\n                                    Yes. This page provides access to the official TCVN 3769:2016 PDF for reference. You can also review the technical specification matrix directly on the page to quickly compare SVR grades and parameters before downloading the full document.\n                                <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/section>\n<p><\/main><\/p>\n","protected":false},"excerpt":{"rendered":"<p>TCVN 3769:2016 \u2013 SVR Natural Rubber Technical Standard (Full PDF + Specification Table) Official Vietnamese technical standard for Standard Vietnamese Rubber (SVR) production and export. Access the full document and specification table below. DOWNLOAD PDF VIEW SPECIFICATION TABLE What is TCVN 3769:2016? TCVN 3769:2016 is the Vietnamese national standard defining technical specifications for Standard Vietnamese [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"template-tcvn3769.php","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-14577","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/aptrubber.com\/zh\/wp-json\/wp\/v2\/pages\/14577","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aptrubber.com\/zh\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/aptrubber.com\/zh\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/aptrubber.com\/zh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aptrubber.com\/zh\/wp-json\/wp\/v2\/comments?post=14577"}],"version-history":[{"count":2,"href":"https:\/\/aptrubber.com\/zh\/wp-json\/wp\/v2\/pages\/14577\/revisions"}],"predecessor-version":[{"id":14741,"href":"https:\/\/aptrubber.com\/zh\/wp-json\/wp\/v2\/pages\/14577\/revisions\/14741"}],"wp:attachment":[{"href":"https:\/\/aptrubber.com\/zh\/wp-json\/wp\/v2\/media?parent=14577"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}