Quick Specifications
- Grade: SVR CV40
- Mooney: 40±5
- Standard: APT Rubber Standard
- HS Code: 400122.40
- Incoterms: FOB, CIF, CFR, EXW...
- FSC® supply: Upon request
- EUDR-ready docs: Upon request
- APT Exclusive: Stable Mooney performance up to 6 months
SVR CV40 (TSR CV40) Natural Rubber
– Vietnam Manufacturer
SVR CV40 (TSR CV40) is a lower-Mooney constant-viscosity natural rubber grade with target Mooney viscosity 40±5. It is selected by rubber compounders that need softer base viscosity, easier mixing, lower processing resistance, and flexible compound formulation compared with higher-Mooney CV grades such as CV50, CV60, and CV70.
APT Rubber’s controlled production process supports Stable Mooney performance up to 6 months, helping tire, automotive parts, and technical rubber goods manufacturers reduce processing variation during production.
Available with FSC® certification and EUDR compliance support for global tire and industrial rubber supply chains.
Check our rubber price index for current procurement rates.
Bulk orders and long-term supply contracts may receive preferential pricing. Final quotation varies by volume and packaging.
Technical Data - TCVN Standard vs APT Internal Control
| Parameter | TCVN 3769:2016 Limit | APT Internal Control |
|---|---|---|
| Mooney Viscosity (ML 1+4, 100°C) | 40±5 | Strictly controlled at 40±5 |
| Dirt Content | ≤ 0.02% | < 0.02% |
| Ash Content | ≤ 0.40% | < 0.40% |
| Nitrogen Content | ≤ 0.60% | < 0.60% |
| Volatile Matter | ≤ 0.80% | < 0.80% |
| Plasticity Retention Index (PRI) | ≥ 60 | >60 |
| Lovibond Color | Not applicable | Not applicable |
SVR CV40 (TSR CV40) Manufacturer in Vietnam
APT Rubber is a premier natural rubber supplier in Vietnam supplying high-grade SVR CV40 (TSR CV40) to global tire manufacturers, industrial rubber processors, and traders.
Explore production facilities in VietnamMT
Processing
Capacity
Processing
Factories
Ngai
China, US
FSC, ISO
Certification Support
What is SVR CV40 (TSR CV40) Rubber?
Key Processing Benefits
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Softer Base Viscosity: Mooney 40±5 supports easier flow and lower compound stiffness compared with higher-Mooney CV grades.
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Easier Mixing & Lower Processing Resistance Lower viscosity can help reduce mixing effort and improve compound incorporation, depending on formulation and equipment.
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Consistent CV-Grade Processing: Controlled Mooney target supports more repeatable batch behavior than non-CV natural rubber grades.
Viscosity Stabilization
Need SVR CV40 (TSR CV40) for production?
Get the latest FOB/CIF quotation and available shipment schedule.
Industrial Applications of SVR CV40 (TSR CV40)
Thin-Wall Molded Rubber Parts
Lower viscosity supports easier mold filling, making SVR CV40 suitable for thin-wall and complex molded rubber components.
Automotive Seals & Gaskets
Ideal for automotive sealing compounds requiring smooth processing, stable viscosity, and consistent molded part quality.
Rubber Sheets & Industrial Mats
Supports easier calendering and uniform compound flow for rubber sheets, mats, flooring, and general industrial products.
Footwear Soles & Rubber Components
Suitable for flexible rubber compounds where easier mixing, smooth flow, and stable batch processing are required.
Technical Rubber Compounds
Preferred by compounders needing a low-viscosity natural rubber base for customized industrial formulations.
Light Extruded Rubber Profiles
Supports smooth extrusion for rubber strips, profiles, and light industrial goods.
Quality Control from Rubber Farm to Final Bale
Latex Reception
Screening for dirt and ammonia content.
Viscosity Stabilization
Controlled addition of stabilizing agents.
Mechanical Processing
Crumbing and washing to remove impurities.
Controlled Drying
Maintains plasticity and prevents degradation.
VILAS Laboratory Testing
Each lot tested in our VILAS lab before shipment.
Packaging & Container Loading
Standard Bale Details
33.33 kg or 35 kg blocks. Wrapped in Thin PE (meltable) or Thick PE (strippable).
Pallet & Packing Options
Available in loose bales, standard wooden crates pallets, pallet shrinkwrapped or steel pallets.
Container Capacity (20ft FCL)
Loose bales: Up to 21 MT. Palletized shipments: Approx. 19.2 – 20.16 MT per 20ft container.
Standard palletized SVR rubber ready for global export.
SVR CV40 (TSR CV40) vs Other Rubber Grades
| Rubber Grade | Mooney Viscosity | Key Feature | Typical Application |
|---|---|---|---|
| SVR CV40 | 40±5 | Lowest-Mooney CV grade in APT’s CV range | Flexible rubber compounds and easier processing blends |
| SVR CV60 | 60±5 | Standard medium-Mooney CV grade | Tire compounds, industrial belts |
| SVR CV50 | 50±5 | Higher viscosity (firmer) | Balanced viscosity stability for tire, automotive, and industrial compounds |
| SVR CV70 | 70±5 | Higher viscosity grade | Stiff compounds requiring stronger processing stability |
| SVR 3L | Non-CV | Light color, high purity | Colored rubber, medical components |
Related SVR Rubber Grades
SVR CV50 (TSR CV50)
Constant-viscosity rubber with Mooney 50±5 control
- Stabilized Mooney 50±5
- Reliable compound processing
SVR CV60 (TSR CV60)
Constant-viscosity rubber with Mooney 60±5 control
- Mooney Viscosity 60±5
- High Consistency
SVR CV70 (TSR CV70)
High-viscosity CV rubber with Mooney 70±5 for technical compounds
- Stabilized Mooney Viscosity 70±5
- Suitable for firm compounds
SVR 3L (TSR 3L)
Light-color SVR natural rubber for clean, appearance-sensitive rubber products.
- Low Dirt 0.03% max
- Suitable for light color, clean rubber goods
Common Questions About SVR CV40 (TSR CV40)
Request a Quote for SVR CV40 (TSR CV40)
Request quotation directly from the APT Rubber production facilities supplying global tire manufacturers.