Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Kraton D-4270B Impact Modifier

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.

Features Of Kraton D-4270B Impact Modifier

  1. SBS block copolymer, solid plastic elastomer, easy for blending and modification

  2. Balanced mechanical properties, 1100% high elongation and moderate hardness

  3. Can be compounded with resins/rubbers to adjust viscosity, bonding and flex resistance

  4. Multi-scenario application, suitable for asphalt modification and industrial component manufacturing

  5. Standard test performance, stable quality and good processability

Typical Applications Of Kraton D-4270B Impact Modifier

  1. Asphalt modification (road pavement, waterproof asphalt, toughness improvement)

  2. Shoemaking industry (sole, upper elastic components with good flexibility)

  3. Plastic products (pipes, belts, sheets with adjustable softness)

  4. Industrial components (auto parts, medical devices, sporting goods)

  5. Adhesives & modifiers (performance regulator for resin/rubber blending systems)

Specifications Of Kraton D-4270B Impact Modifier

Basic Properties
Chemical NameStyrene/Butadiene/Styrene Block Copolymer (SBS)
Product CategoryPlastic Elastomer
Physical FormSolid
Density0.94 g/cm³
Hardness (Shore A)46
Melt Property
Melt Flow Rate (MFR)15 g/10min
Mechanical Properties
Tensile Stress1.9 MPa
Elongation at Break1100 %



























































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