Kraton™ D-4270 is a plastic elastomer of SBS type, featuring good processability and adjustable performance. It is widely used in asphalt modification, shoemaking, and can be compounded with resins/rubbers for modification, to adjust viscosity, hardness and flexibility of formulations, applicable to pipes, auto parts, medical devices and adhesives.
SBS block copolymer, solid plastic elastomer, easy to compound and modify
Good processability, melt flow rate up to 18g/10min, suitable for various forming processes
High elongation (1100%), moderate hardness, excellent flexibility and flex resistance
Can be blended with resins/rubbers, adjustable viscosity, hardness and bonding performance
Multi-scenario applicability, compatible with asphalt modification and industrial component manufacturing
Asphalt modification (road pavement, waterproofing asphalt with improved toughness)
Shoemaking industry (sole, shoe upper elastic components with good flexibility)
Plastic products (pipes, belts, sheets with adjustable softness)
Industrial components (auto parts, medical devices, sporting goods)
Adhesives & modifiers (blended with resins/rubbers as a performance regulator)
| Basic Properties | |
| Chemical Name | Styrene/Butadiene/Styrene Block Copolymer (SBS) |
| Product Category | Plastic Elastomer |
| Physical Form | Solid |
| Density | 0.938 g/cm³ |
| Hardness (Shore A) | 46 |
| Melt Property | |
| Melt Flow Rate (MFR) | 18 g/10min |
| Mechanical Properties | |
| Tensile Stress | 1.9 MPa |
| Elongation at Break | 1100 % |
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