Kraton™ D-4270B is a solid plastic elastomer of SBS type, with adjustable performance and good compatibility. It is mainly used for asphalt modification and shoemaking, also applicable to pipes, belts, auto parts, medical devices and adhesives. It can be blended with resins/rubbers to modify and adjust viscosity, hardness and flexibility of formulations.
SBS block copolymer, solid plastic elastomer, easy for blending and modification
Balanced mechanical properties, 1100% high elongation and moderate hardness
Can be compounded with resins/rubbers to adjust viscosity, bonding and flex resistance
Multi-scenario application, suitable for asphalt modification and industrial component manufacturing
Standard test performance, stable quality and good processability
Asphalt modification (road pavement, waterproof asphalt, toughness improvement)
Shoemaking industry (sole, upper elastic components with good flexibility)
Plastic products (pipes, belts, sheets with adjustable softness)
Industrial components (auto parts, medical devices, sporting goods)
Adhesives & modifiers (performance regulator for resin/rubber blending systems)
| Basic Properties | |
| Chemical Name | Styrene/Butadiene/Styrene Block Copolymer (SBS) |
| Product Category | Plastic Elastomer |
| Physical Form | Solid |
| Density | 0.94 g/cm³ |
| Hardness (Shore A) | 46 |
| Melt Property | |
| Melt Flow Rate (MFR) | 15 g/10min |
| Mechanical Properties | |
| Tensile Stress | 1.9 MPa |
| Elongation at Break | 1100 % |
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