| Category | Polymer , Thermoset , Rubber or Thermoset Elastomer (TSE) |
| Manufacturer | Korea Kumho Petrochemical Co., Ltd. |
| Trade Name | KOSYN |
| Port | Ningbo port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | KKPC KOSYN 1507H Styrene Butadiene Rubber.pdf |
| Price | EMAIL US sales@lookpolymers.com |
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 0.940 g/cc | 0.0340 lb/in³ | Not Compounded |
| Mooney Viscosity | 40 @Temperature 100 °C |
40 @Temperature 212 °F |
Raw; ML1+4 |
| 71 @Temperature 100 °C |
71 @Temperature 212 °F |
Compounded; ML1+4 |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Hardness, Shore A | 71 | 71 | Vulcanized |
| Tensile Strength, Ultimate | 27.9 MPa | 4050 psi | Vulcanized |
| Elongation at Break | 460 % | 460 % | Vulcanized |
| 300% Modulus | 0.0167 GPa | 2.42 ksi | Vulcanized |
| Rebound | 55 % | 55 % | ASTM Test, Vulcanized |
| Flex Crack Resistance | 4000 | 4000 | 145°C / 35 min., Press Vulcanization |
| Tear Strength | 50.0 kN/m | 286 pli | B-type, Vulcanized |
| Abrasion | 0.20 | 0.20 | De Mattia Flexometer: Cut Growth 2mm --> 15mm, Flexes |
| Compression Set | 52 % @Temperature 100 °C |
52 % @Temperature 212 °F |
70 hrs, 25% def, Vulcanized |