* Description
SVR CV50 is a constant viscosity grade. It is made by adding hydroxylamine neutral sulfate (HNS) and peptizer before coagulation with acid. The coagulum is allowed to mature some hours, reduced to crumbs by passing through a crusher, crepers, a shredder, dried and pressed into bales. The hydroxylamine inhibits the storage hardening reaction in natural rubber, which leads to an increase in its Mooney viscosity. Mooney vicosity (MV) is 50 ± 5.
* Used For The Manufacturing
-Vibration mountings for engines and machinery
-Railway buffers -bridge bearings
-Automotive components -Large-truck tire treads
-Conveyor belt covers
-Masking tapes
-Rubber–metal bonded components
* Features
• Low viscosity rubber
• Softness
* Specification
Dirt : 0.02 max
Ash : 0.40 max
Volatile Matter: 0.80 max
Nitrogen : 0.60 max
Plasticity Retention Index (PRI) : 60 min
Mooney Viscosity MU 50 ± 5
*At time of production, ML 1+ 4 (100 oC)
* Packing
• 33.33 kg/bales or 35kg/bales, 600 bales/fcl 20 feet
• In loose bale or Wooden Pallet
* Bale Packaging
• Normal 0.03 mm PE bag wrapper with melting temperature under 109 oC.
• Thick (0.13 mm) PE bag wrapper
* Description
SVR CV 60 is a constant viscosity grade. It is made by only adding hydroxylamine neutral sulfate (HNS) to ammonia preserved field latex after reception at factory. HNS is only added before coagulation with acid. The SVR CV60 rubber is processed through some stages such as crushing, creping, crumbing, drying and baling. The hydroxylamine inhibits the storage hardening reaction in natural rubber, which leads to an increase in its Mooney viscosity. Mooney viscosity (MV) is 60 ± 5.
* Used For The Manufacturing
-Anti-vibration mountings
-Conveyor belts
-Rubber and metal bonded components
-Injection moulded products
-Extruded products
-Masking tapes
-Railway buffers
-Automotive components
-Rubber–metal bonded components
* Features
• A constant viscosity rubber which hasn’t used peptizer agent .
• • Constant Mooney viscosity, cleanliness, uniformity, and softness.
* Specification
Dirt : 0.02 max
Ash : 0.40 max
Volatile Matter: 0.80 max
Nitrogen : 0.60 max
Initial Wallace plasticity (Po) -
Plasticity Retention Index (PRI) : 60 min
Mooney Viscosity MU: 60 ± 5
**At time of production, ML 1+ 4 (100 oC). Viscosity limit can be based on customers’ requirement.
* Packing
• 33.33 kg/bales or 35kg/bales, 600 bales/fcl 20 feet
• In loose bale or Wooden Pallet
* Bale Packaging
• Normal 0.03 mm PE bag wrapper with melting temperature under 109 oC.
• Thick (0.13 mm) PE bag wrapper
Pad printing silicone rubber is mainly applicable to the printing of irregular patterns on plastics toys, electroplating products, electronic, trademarks, artwork gifts, and stationary, etc. And the silicone pad is a carrier which transfers the patterns from the steel plate onto the products’ surface, it has the advantage of good printing effects, good quality, good resilience and without any impurity.
Operation method of the pad printing silicone rubbuer.
1. Firstly, you should prepare all the tools such as the pad mold, the cup for mixing, and a glass stick.
2. Then clean the pad mould with detergent, and dry it with a piece of cloth or an air gun.
3. After that, mix the pad printing silicone rubber and the silicone soil as your own requirements. Generally, the larger the size of the pattern you need to print, the more silicone oil is needed.
FAQ of the pad printing silicone oil:
1.Why we should add silicon oil into pad printing silicon?
Customers should change the hardness of the silicone pad according different patterns, silicone oil can change the hardness and the viscosity of the liquid silicone oil.
Ngoc Chau Natural Rubber offers SVR 3L, a high-purity, technically specified natural rubber (TSR) made from fresh field latex. Known for its light color and low impurity level, SVR 3L is ideal for precision-demanding industries such as:
Premium tire production
Automotive parts
Conveyor belts
Vibration dampers and shock absorbers
Rubber hoses, seals, and molded components
Key Features:
â?? Light color â?? suitable for light-colored or technical rubber products
â?? Low ash, nitrogen, and volatile matter
â?? High plasticity retention â?? durable and flexible
â?? Meets Vietnamese Standard TCVN 3769:2016 and ISO 2000:2014
â?? Clean, uniform packaging â?? ideal for export
SVR 3L is processed using modern machinery and rigorous quality control to ensure consistency, cleanliness, and high performance across batches.
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Ngoc Chau Natural Rubber supplies high-grade RSS 3 (Ribbed Smoked Sheet 3) a natural rubber product manufactured from field latex, carefully processed and smoked to meet strict industry requirements. RSS 3 is widely used in heavy-duty rubber applications:
Tire manufacturing (passenger, truck, and off-road)
Rubber conveyor belts
Automotive and mechanical components
Industrial molded rubber goods
Footwear soles and shock-absorbing parts
Key Features:
â?? High tensile strength and abrasion resistance
â?? Flexible and elastic under stress
â?? ISO and TCVN certified for consistency
â?? Uniform color, minimal foreign matter
â?? Low ash, nitrogen, and volatile content
Quality Control: Each bale of RSS 3 undergoes strict inspection for impurities, moisture, and oxidation, ensuring consistent performance in demanding applications.
Ngoc Chau Natural Rubber proudly offers Natural Rubber Latex 60% DRC, derived from Hevea brasiliensis and formulated to meet international industrial standards. Available in High Ammonia (HA), Medium Ammonia (MA), and Low Ammonia (LA) grades, our latex is optimized for:
Medical and household glove production
Natural latex mattress manufacturing
Latex thread (elastic thread) extrusion
Adhesives and bonding agents
Footwear and automotive components
Key Features:
DRC -60% High productivity and solid content
MST - 650s Excellent mechanical stability
VFA - 0.06 Low odor, enhanced shelf life
ISO 2004:2024 & TCVN 6314:2013 compliant
Antibacterial, elastic, and mold-resistant
Export packaging available: 200kg drums, 960kg IBC tanks, flexibags, and 30kg jerry cans customized to your logistics needs.
SVR 3L from Ngoc Chau Natural Rubber Vietnam is a high-purity Technically Specified Rubber (TSR) made from fresh field latex and processed under rigorous quality controls to ensure low impurity, light color, and consistent mechanical properties. The product complies with TCVN 3769:2016 and ISO 2000 standards.
Natural Rubber RSS 3 from Ngoc Chau Natural Rubber Vietnam is a premium Ribbed Smoked Sheet grade made from high-quality field latex. It undergoes careful coagulation, pressing, and smoking to ensure consistency and compliance with TCVN 3769:2016 and ISO 2000 standards.
Applications:
Tire Manufacturing (including light truck and bicycle tires)
Rubber hoses, belts, and mats
Footwear and industrial rubber goods
Rubber compound blending
Key Specifications:
Dirt Content: 0.20%
Ash Content: 0.75%
Volatile Matter: 0.80%
Nitrogen: 0.60%
Plasticity Retention Index (PRI): �¢?�¥ 40
Packaging Options:
Standard Bales (33.33 kg/bale) with or without pallets
Suitable for 20FT containers (up to 20 metric tons)
Ngoc Chau Natural Rubber offers Latex 60% DRC, a high-quality natural rubber latex derived from Hevea brasiliensis plantations in Vietnam. Our latex is processed under strict quality controls and conforms to TCVN/ISO standards. Available in High Ammonia (HA), Medium Ammonia (MA), and Low Ammonia (LA) grades, this product is tailored to meet the needs of industries such as:
Medical and Household Gloves
Mattresses and Pillows
Adhesives and Coatings
Industrial and Automotive Components
Key Features:
60% Dry Rubber Content
Strong elasticity and film-forming properties
Excellent stability and antibacterial protection
Packaging options: Flexibag, Drum, IBC Tank, Jerry Can
SVR 3L from Ngoc Chau Natural Rubber â?? Vietnam is a high-purity Technically Specified Rubber (TSR) made from fresh field latex and processed under rigorous quality controls to ensure low impurity, light color, and consistent mechanical properties. The product complies with TCVN 3769:2016 and ISO 2000 standards.
Natural Rubber RSS 3 from Ngoc Chau Natural Rubber Vietnam is a premium Ribbed Smoked Sheet grade made from high-quality field latex. It undergoes careful coagulation, pressing, and smoking to ensure consistency and compliance with TCVN 3769:2016 and ISO 2000 standards.
Applications:
Tire Manufacturing (including light truck and bicycle tires)
Rubber hoses, belts, and mats
Footwear and industrial rubber goods
Rubber compound blending
Key Specifications:
Dirt Content: 0.20%
Ash Content: 0.75%
Volatile Matter: 0.80%
Nitrogen: 0.60%
Plasticity Retention Index (PRI): â?¥ 40
Packaging Options:
Standard Bales (33.33 kg/bale) with or without pallets
Suitable for 20FT containers (up to 20 metric tons)
Ngoc Chau Natural Rubber offers Latex 60% DRC, a high-quality natural rubber latex derived from Hevea brasiliensis plantations in Vietnam. Our latex is processed under strict quality controls and conforms to TCVN/ISO standards. Available in High Ammonia (HA), Medium Ammonia (MA), and Low Ammonia (LA) grades, this product is tailored to meet the needs of industries such as:
Medical and Household Gloves
Mattresses and Pillows
Adhesives and Coatings
Industrial and Automotive Components
Key Features:
60% Dry Rubber Content
Strong elasticity and film-forming properties
Excellent stability and antibacterial protection
Packaging options: Flexibag, Drum, IBC Tank, Jerry Can
Natural Rubber Latex 60% DRC from Ngoc Chau Natural Rubber is a premium, eco-friendly raw material with exceptional elasticity, durability, and antibacterial properties. With Dry Rubber Content 60.2% and MST 650 seconds, it ensures stability and high yield across production lines.
Available in HA, MA, and LA grades to meet specific industry needs
Complies with ISO 2004:2017, TCVN 6314:2013
Applications: medical/household gloves, mattresses, adhesives, automotive parts
Packaging: Flexibag, 200kg drums, 960kg IBC tanks, 25kg jerry cans
Export-ready with flexible logistics support
Contact us to request free samples or consultation on suitability for your production line.
Ngoc Chau Natural Rubber is a prominent private manufacturer and exporter of natural rubber based in Vietnam. With a robust financial foundation, access to stable raw materials, and modern production technology, the company supplies approximately 20,000 tons of high-quality natural rubber annually.
Product Range:
+ Natural Rubber Latex: Including Natural Rubber Latex 60% DRC.
+ Standard Vietnamese Rubber (SVR): Grades such as SVR 3L, SVR 10, SVR 20, SVR CV50, and SVR CV60.
+Ribbed Smoked Sheets (RSS): Grades RSS1 and RSS3.
Why Choose Ngoc Chau:
+Professional Team: A dedicated design team provides optimal solutions.
+Advanced Production Facilities: Equipped with modern machinery and a professional production line, ensuring excellent quality control.
+OEM & ODM Services: Offers Original Equipment Manufacturer and Original Design Manufacturer services to meet diverse customer needs.
+Quality Service: Commits to superior after-sales support and customer satisfaction.
Global Reach:
Ngoc Chau has established a strong presence in international markets, exporting to countries across Asia, Europe, and the Middle East. The company's products are trusted by clients in industries such as automotive, healthcare, and manufacturing.
For more information or to explore partnership opportunities, visit the official website
Reclaim rubber has shown to be a reliable and affordable alternative to synthetic and natural rubber. It is manufactured using a de-vulcanization process, which recycles rubber from spare parts and scrap rubber items like auto tires, which work as basic material in the process.
Our reclaimed rubbers are ready stock in four (4) different qualities, which are Platinum, Standard, Premium, and Ecco. Pick the best suit to your needs!
Type: Ribbed Smoked Sheet No 3
Color: Brown
Texture: sheet, size customized
Packaging: 33.33kg/bale or 35kg/bale, usually packed in PE bags.
Feature: Low moisture ,thin form, dried and smoked.
Use: product tires, Tread Carcass, off-road tires & ADV tires, extruded tubes, and footwear, etc. The tire industry is the largest consumer of RSS3 rubber sheets.
MOQ: 1 cont
Price: FOB
Shipping: 100 tons: negotiate
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