<p><strong>SVR 20 natural rubber<\/strong> is a cost-effective technically specified rubber grade used in tire, automotive, and general rubber manufacturing. Produced from field-grade coagulum \/ cup lump, SVR 20 is tested under Vietnam’s <strong>TCVN 3769:2016<\/strong> standard for key parameters such as dirt, ash, volatile matter, initial plasticity, and PRI.<\/p>
\n<p>Compared with cleaner or lighter-color grades, SVR 20 is selected when buyers need <strong>practical processing performance, competitive pricing, and reliable bulk supply<\/strong> rather than premium appearance. It is commonly used in tire compounds, conveyor belts, molded rubber parts, rubber sheets, mats, footwear components, and other industrial applications.<\/p>
\n<p>APT Rubber supplies SVR 20 with COA-backed quality control and standard export documentation. For buyers requiring regulatory support, EUDR-related traceability documents may be discussed before order confirmation, subject to raw material availability and shipment requirements.<\/p>\n<\/p>\n
SVR 20 (TSR 20) is a constant viscosity natural rubber grade designed to maintain stable Mooney viscosity during storage and processing.<\/p>\n
Cost-efficient compounding:<\/strong> lower-cost natural rubber option when the application does not require light color, tight cleanliness, or constant viscosity.<\/p>\n<\/li>\n Practical mixing performance:<\/strong> works well in standard rubber compounding systems when the formulation is properly adjusted. I<\/p>\n<\/li>\n<\/ul>\n SVR 20 (TSR 20) is manufactured according to TCVN 3769:2016, with APT Rubber applying tighter internal control targets before shipment release.<\/p>\n Get the latest FOB\/CIF quotation and available shipment schedule.<\/p>\n Widely used by tire manufacturers, rubber compounders, and industrial rubber processors requiring stable Mooney viscosity and consistent processing performance.<\/p>\n Compare constant viscosity rubber grades to select the optimal material for your manufacturing process.<\/p>\n Q: What is SVR 20 natural rubber?<\/strong> SVR 20 is a Vietnamese technically specified natural rubber grade, commonly used in high-volume tire and industrial rubber compounding. It is produced from field-grade coagulum \/ cup lump and tested against measurable technical parameters such as dirt, ash, volatile matter, plasticity, and PRI under TCVN 3769:2016.<\/p>\n For buyers, SVR 20 is usually selected when the priority is cost efficiency, reliable processing, and bulk industrial use<\/strong>, rather than light color or very tight cleanliness requirements.<\/p>\n<\/p>\n Q: How is SVR 20 different from SVR 10?<\/strong> SVR 20 has wider technical tolerance than SVR 10, especially on impurity-related parameters. This usually makes SVR 20 more cost-competitive for applications where appearance, high cleanliness, or tighter specifications are not the main concern.<\/p>\n SVR 10 is more suitable when the buyer needs a cleaner grade for more controlled formulations. SVR 20 is more suitable when the formulation can absorb natural variation and the buyer wants a stronger cost-performance balance.<\/p>\n<\/p>\n Q: Is SVR 20 suitable for tire manufacturing?<\/strong> Yes. SVR 20 is widely used in tire-related compounds, especially where cost control and volume stability matter. It can be used in truck tires, passenger car tire compounds, tire carcass compounds, sidewall compounds, and other non-appearance-critical tire components.<\/p>\n However, the final suitability depends on each buyer\u2019s compound design, mixing process, and performance target. Buyers should always confirm the required COA parameters before shipment.<\/p>\n<\/p>\n Q: Is SVR 20 Mooney-controlled?<\/strong> No. Standard SVR 20 is not a constant-viscosity grade<\/strong>. If Mooney viscosity control is critical, buyers should consider CV grades or discuss a specific technical requirement before ordering.<\/p>\n For SVR 20, buyers usually focus on parameters such as dirt, ash, volatile matter, P\u2080, and PRI. Actual shipment values should be checked through the Certificate of Analysis.<\/p>\n<\/p>\n Q: What documents can be provided with SVR 20 shipments?<\/strong> Typical export documents may include Commercial Invoice, Packing List, Bill of Lading, Certificate of Analysis, Technical Data Sheet, MSDS, Certificate of Origin, and other shipment documents depending on destination requirements.<\/p>\n For compliance-sensitive buyers, EUDR-related traceability documents may be arranged upon request, subject to order scope, raw material source, and confirmation before shipment.<\/p>\n \n Q: What packaging options are available for SVR 20?<\/strong> SVR 20 is normally supplied in pressed bales, commonly 33.33 kg or 35 kg per bale, wrapped in PE film. Depending on the buyer\u2019s unloading method and warehouse preference, packing may be arranged as loose bales, palletized packing, wooden pallets, or other agreed packing methods.<\/p>\n For buyers optimizing container loading cost, loose bale packing may support higher loading volume. For buyers prioritizing easier unloading and warehouse handling, palletized packing is usually more practical.<\/p><\/p>","protected":false},"excerpt":{"rendered":" SVR 20 (TSR 20) nautural rubber<\/p>","protected":false},"featured_media":12634,"template":"","categories":[],"class_list":["post-6219","product","type-product","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/aptrubber.com\/vi\/wp-json\/wp\/v2\/product\/6219","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aptrubber.com\/vi\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/aptrubber.com\/vi\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/aptrubber.com\/vi\/wp-json\/wp\/v2\/media\/12634"}],"wp:attachment":[{"href":"https:\/\/aptrubber.com\/vi\/wp-json\/wp\/v2\/media?parent=6219"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aptrubber.com\/vi\/wp-json\/wp\/v2\/categories?post=6219"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}Viscosity Stabilization Process<\/h4>\n
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Technical Data – TCVN Standard vs APT Internal Control<\/h3>\n
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\n \nParameter<\/th>\n TCVN 3769:2016 Limit<\/th>\n APT Internal Control<\/th>\n<\/tr>\n<\/thead>\n \n Dirt content (retained on 44\u00b5m aperture), % wt, max<\/td>\n \u2264 0.16<\/td>\n < 0.16<\/td>\n<\/tr>\n \n Ash content, % wt, max<\/td>\n \u2264 0.80<\/td>\n < 0.80<\/td>\n<\/tr>\n \n Nitrogen content, % wt, max<\/td>\n \u2264 0.60<\/td>\n < 0.60<\/td>\n<\/tr>\n \n Volatile matter content, % wt, max<\/td>\n \u2264 0.80<\/td>\n < 0.80<\/td>\n<\/tr>\n \n Initial Plasticity (P\u2080), min<\/td>\n \u2265 30<\/td>\n > 30<\/td>\n<\/tr>\n \n Plasticity Retention Index (PRI), min<\/td>\n \u2265 40\t<\/td>\n > 40<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n Need SVR 20 (TSR 20) for production?<\/h3>\n
Industrial Applications of SVR 20 (TSR 20)<\/h3>\n
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Quality Control from Rubber Farm to Final Bale<\/h3>\n
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Packaging & Container Loading<\/h3>\n
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SVR 20 (TSR 20) vs Other Rubber Grades<\/h3>\n
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\n \nRubber Grade<\/th>\n Mooney Viscosity<\/th>\n Key Feature<\/th>\n Typical Application<\/th>\n<\/tr>\n<\/thead>\n \n SVR 20<\/td>\n <\/td>\n <\/td>\n <\/td>\n<\/tr>\n \n SVR 10<\/td>\n <\/td>\n <\/td>\n <\/td>\n<\/tr>\n \n Mixtures of SVR 10<\/td>\n <\/td>\n <\/td>\n <\/td>\n<\/tr>\n \n SVR 5<\/td>\n <\/td>\n <\/td>\n <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n Common Questions About SVR 20 (TSR 20)<\/h3>\n
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