rubber industry
We have supply chain experience of rubber raw materials of 2 decades. We have strong sources with competitive prices and quality products to fulfill our customer needs.
We serve clients from all over the world by supplying them with materials according to their needs.
We work on the following products:
- Synthetic Rubber (SBR 1502, SBR 1712, Polybutadiene PBR, NBR)
- Natural Rubber (SVR 10, SVR 20, SVR 3L, RSS 3)
- Skim Block Rubber
- Carbon Black
- Aromatic Rubber Process Oil (RPO)
- Zinc Oxide
- Bead wire
- Molds for Rubber industry
- Tire Valves
Synthetic Rubber
Synthetic Rubber SBR1502
| Parameter | SBR1502 | Test method |
|---|---|---|
| Mooney viscosity ML 1+4 (100 °C) (with preparation) | 51±6 | ASTM D 1646 |
| Organic acids content, % | 5,0-7,2 | ASTM D 5774 |
| Organic acids soap content, %, max. | 0,25 | ASTM D 5774 |
| Bound methylstyrene content, % | 22,5±1,5 | Method of supplier |
| Volatile matter content, %, max | 0,8 | ASTM D 5668 |
| Ash content, %, max | 0,6 | ASTM D 5667 |
| Staining-antioxidant content (CAS №119-47-1), % | 0,7-2,0 | Method of supplier |
| ASTM D 3185 (method А), 145 ºC × 25, 35, 50 мин | ||
| Tensile strength at 300 % stretching, MPa, min | 9,8 | ASTM D3185 |
| Tensile strength at stretching, MPa, min | 22,0 | ASTM D3185 |
| Relative elongation at break, %, min | 400-650 | ASTM D3185 |
| Curing characteristic of rubber compound | ||
| Rheometer MDR 2000, measurement conditions: 160 °C, deformation of 0.5°, MH at 30 min. | ||
| Minimum torque (ML), dNm | Information data determined optionally for data set | ASTM D 5289 |
| Maximum torque (MH), dNm | ASTM D 5289 | |
| Prevulcanization start time (ts1), min | ASTM D 5289 | |
| Time to 50% vulcanization (T’50), min | ASTM D 5289 | |
| Time to 90% vulcanization (T’90), min | ASTM D 5289 | |
Synthetic Rubber SBR1712
| Parameter | SBR1712 HI-AR | Test method | ||
|---|---|---|---|---|
| Grade A | Grade B | |||
| Mooney viscosity ML 1+4 (100 °C) (with preparation) | 49±3 | 50±4 | ASTM D 1646 | |
| Organic acids content, % | 5,0±0,8 | 4,8±0,8 | ASTM D 5774 | |
| Organic acids soap content, %, max. | 0,30 | 0,30 | ASTM D 5774 | |
| Bound styrene content, % | 23,5±1,0 | 23,5±2,5 | – | |
| Solvent extract content, % | 29-35 | 29-35 | – | |
| Тип масла / Oil type | DAE | DAE | – | |
| Oil content, % | 27,5±1,5 | 27,5±2,5 | ASTM D 5774 | |
| Volatile matter content, %, max | 0,6 | 0,6 | ASTM D 5668 | |
| Ash content, %, max | 0,6 | 0,6 | ASTM D 5667 | |
| Antioxidant content (CAS №119-47-1), % | 0,3-0,7 | 0,3-0,7 | – | |
| ASTM D 3185 (method А), 145 ºC × 25, 35, 50мин | ||||
| Tensile strength at 300 % stretching, MPa, min | 9,8 | 9,8 | ASTM D3185 | |
| Tensile strength at stretching, MPa, min | 18,0 | 18,0 | ASTM D3185 | |
| Relative elongation at break, %, min | 380 | 380 | ASTM D3185 | |
| Curing characteristic of rubber compound | ||||
| Rheometer MDR 2000, measurement conditions: 160 °C, deformation of 0.5°, MH at 30 min. | ||||
| Minimum torque (ML), dNm | 1,4-3,0 | 1,4-3,0 | ASTM D 5289 | |
| Maximum torque (MH), dNm | 12,0-18,5 | 12,0-18,5 | ASTM D 5289 | |
| Prevulcanization start time (ts1), min | 3,2-6,5 | 3,2-6,5 | ASTM D 5289 | |
| Time to 50% vulcanization (T’50), min | 6,5-10,5 | 6,5-10,5 | ASTM D 5289 | |
| Time to 90% vulcanization (T’90), min | 12,0-18,5 | 12,0-18,5 | ASTM D 5289 | |
Synthetic Rubber Polybutadiene PBR
| *Raw Material | ||||
|---|---|---|---|---|
| Typical Properties | Test Method | Unit | Value | |
| Cis Content | ZEON R-130A | Wt | Min 97 | |
| Raw Mooney Viscosity | ASTM D-1646 | ML-4 | 41-49 | |
| Volatile Matter | ASTM D-1416 | % Wt | Max 0.5 | |
| Ash Content | ASTM D1416% | % Wt | Max 0.3 | |
| **Compound | ||||
| Compound Mooney Viscosity | ASTM D-1646 | ML-4 | Max 77 | |
| Tensile (35 min) | ASTM D-412 | Kgf/cm2 | Min 150 | |
| Elongation (35 min) | ASTM D-412 | % | Min440 | |
| 300% Modulus at 145 oC | ||||
| 25 Min. | 68-108 | |||
| 35 Min. | ASTM D-412 | Kgf/cm2 | 74-114 | |
| 50 Min. | 74-114 | |||
| Rheometer at 160 oC | ||||
| MH | Ibf in | 32.0-40.0 | ||
| ML | ASTM D-3189 | Ibf in | 5.2-11.2 | |
| TS-1 | Min | 2.1-6.1 | ||
| T50 | Min | 6.0-10.4 | ||
| T90 | Min | 8.3-13.1 | ||
| Compound Recipe | ||||
| Raw BR-1220 | Part | 100 | ||
| HAF Carbon (IRB No. 6) | – | 60 | ||
| Zinc Oxide | – | 3 | ||
| Stearic Acid | – | 2 | ||
| Accelerator (TBBS) | ASTM D-3189 | – | 0.9 | |
| Sulfur | – | 1.5 | ||
| Oil | – | 15 | ||
| Vulcanization Temperature | oC | 145 | ||
Natural Rubber
Natural rubber is a versatile and important raw material that is derived from the latex sap of the rubber tree, scientifically known as Hevea brasiliensis. This tree is native to the Amazon rainforest but is also cultivated in various tropical regions around the world, particularly in Southeast Asia.
Natural rubber continues to be a crucial material in various industries, and its properties make it irreplaceable in many applications despite the availability of synthetic alternatives. Sustainable and responsible sourcing practices are increasingly important in the rubber industry to address environmental and social concerns.
Skim Block Rubber
Carbon Black
Hard Grades
- Gives high wear-resistance, high resistance to rupture, tear resistance to rubber, high dynamic hardness and elastic rebound to rubber, high durability, and low hysteresis.
- Widely used for producing: high quality, protecting rubbers and protecting stocks, transporter and conveyor belts, breaker rubber, technical seals, cable covers. It is also used for producing high quality rubber molded articles working in hard conditions.
| Product’s Specification | Hard Grades | ||||||
|---|---|---|---|---|---|---|---|
| ASTM N-Type(Rubber Grades) | N-220 | N-234 | N-326 | N-330 | N-339 | N-375 | |
| Iodine Number (mg/g) | D-1510 | 116-126 | 115-125 | 77-87 | 77-87 | 85-95 | 85-95 |
| DBP Absorption (mL/100g) | D-2414 | 109-119 | 120-130 | 67-77 | 97-107 | 115-125 | 109-119 |
| Tint Strength (ITRB %) | D-3265 | 111-121 | 119-129 | 106-116 | 99-109 | 106-116 | 109-119 |
| Toluene Discoloration (%) | D-1618 | Min. 80 | |||||
| Ash Content (%) | D-1506 | Max. 1 | |||||
| Heating Loss (%) | D-1509 | Max. 2 | |||||
| PH | D-1512 | 7-9 | |||||
| Sulphur (%) | D-1619 | Max. 1 | |||||
| Fines Content (Bag) (%) | D-1508 | Max. 10 | |||||
| Fines Content (Big Bag) (%) | D-1508 | Max. 7 | |||||
| Pour Density(g/l) | D-1513 | 320-370 | 320-350 | 430-480 | 360-410 | 330-380 | 330-380 |
| pellet Hardness (CN) | D-3313 | 10-40 | |||||
| Sieve residue D-1514 | Sieve No. 35(max.)ppm | 10 | |||||
| Sieve No.325(max.)ppm | 1000 | ||||||
Soft Grades
- Gives high elasticity to rubber, middle hardness.
- Has high ability for filing, high profiling properties.
- Widely used for producing: tires, tubes, sleeves, profiling articles, technical seals, molded articles, roof coverings, framed and breaker rubbers, cables, footwear.
| Product’s Specification | Soft Grades | ||||||
|---|---|---|---|---|---|---|---|
| ASTM N-Type(Rubber Grades) | N-550 | N-660 | N-772 | ||||
| Iodine Number (mg/g) | D-1510 | 38-48 | 31-41 | 24-36 | |||
| DBP Absorption (mL/100g) | D-2414 | 116-126 | 85-95 | 67-77 | |||
| Tint Strength (ITRB %) | D-3265 | 58-68 | 53-67 | … | |||
| Toluene Discoloration (%) | D-1618 | Min. 80 | |||||
| Ash Content (%) | D-1506 | Max. 1 | |||||
| Heating Loss (%) | D-1509 | Max. 2 | |||||
| PH | D-1512 | 7-9 | |||||
| Sulphur (%) | D-1619 | Max. 1 | |||||
| Fines Content (Bag) (%) | D-1508 | Max. 10 | |||||
| Fines Content (Big Bag) (%) | D-1508 | Max. 7 | |||||
| Pour Density(g/l) | D-1513 | 340-400 | 410-490 | 520 | |||
| pellet Hardness (CN) | D-3313 | 10-40 | |||||
| Sieve residue D-1514 | Sieve No. 35(max.)ppm | 10 | |||||
| Sieve No.325(max.)ppm | 1000 | ||||||
Aromatic Rubber Process Oil (RPO)
Aromatic Rubber Processing oil (ARPO) is the most commonly used rubber oil in rubber industry and lubricant industry. Among the primary characteristics of ARPO is hydrocarbon, in the presence of double bounded mix ring carbon structure.
| Characteristic | Range | Test¬ method ASTM |
| Kinematic viscosity @ 100 °C, cSt | 20.0-40.0 | D-445 |
| Flash point , °C | 265 | D-92 |
| Pour point , °C | 15 | D-97 |
| Specific gravity @ 15 , Kg/m3 | 1010 | D-1298 |
| Aniline point, °C | 50 | IP-2 |
| Sulphur content, Wt% | 5 | D-2622 |
| Ash content , Wt% | 0.15 | D-482 |
| Carbon type analysis , % CA CN | 30 4 65 | D-3238 |
