| Category | Polymer , Thermoplastic , Styrene-Butadiene , Styrene/Butadiene/Styrene (SBS) | 
| Manufacturer | Kraton | 
| Trade Name | |
| Port | Shanghai port,China | 
| Trade Terms | FOB, CFR, CIF | 
| Payment Terms | L/C, T/T, Western Union | 
| Download PDF | Kraton® D4274B (O/E SBS) Branched Block Copolymer.pdf  | 
| Price | EMAIL US sales@lookpolymers.com | 
| Physical Properties | Metric | English | Comments | 
|---|---|---|---|
| Specific Gravity | 0.940 g/cc | 0.940 g/cc | ISO 2781 | 
| Bulk Density | 0.400 g/cc | 0.0145 lb/in³ | ASTM D 1895 method B | 
| Volatiles | <= 0.70 % | <= 0.70 % | KM 04 | 
| Brookfield Viscosity | 14 - 26 cP | 14 - 26 cP | 25% Toluene Solution at 25°C; KM 05 | 
| Melt Flow | 20           g/10 min @Load 5.00 kg, Temperature 200 °C | 20           g/10 min @Load 11.0 lb, Temperature 392 °F | ISO 1133 | 
| Ash | <= 0.50 % | <= 0.50 % | Product form "S" or "T"; ISO 247-B | 
| Mechanical Properties | Metric | English | Comments | 
|---|---|---|---|
| Hardness, Shore A | 83 @Time 15.0 sec | 83 @Time 0.00417 hour | Measured on films cast from a solution in toluene; ISO 868 | 
| Tensile Strength | 14.0 MPa | 2030 psi | Measured on compression molded slabs; ISO 37 | 
| Elongation at Break | 890 % | 890 % | Measured on polymer compression molded at 300°F; ISO 37 | 
| 300% Modulus | 0.00410 GPa | 0.595 ksi | Measured on compression molded slabs; ISO 37 | 
| Abrasion | 175 | 175 | [cubic mm]; DIN 53516 | 
| Descriptive Properties | Value | Comments | 
|---|---|---|
| Content | Antioxidant | >0.25%, KM 08 | 
| Bound Styrene | 47-51%, KM 03 | |
| Total Extractables | 29.5-32.5%, KM 05 |