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

Kraton D-4271 Impact Modifier

Kraton™ D-4271 is a solid plastic elastomer of SBS type with medium hardness and balanced processability & mechanical properties. It is mainly used for asphalt modification and shoemaking, also applicable to pipes, belts, sheets, auto parts and adhesives. It can be blended with resins/rubbers to adjust viscosity, hardness, flexibility and bonding performance of formulations.

Features Of Kraton D-4271 Impact Modifier

  1. SBS block copolymer, solid plastic elastomer, medium hardness (Shore A 71)

  2. Balanced melt flow rate, good processability for various forming processes

  3. High elongation (1000%) and moderate tensile stress, excellent flexibility and flex resistance

  4. Good compatibility with resins/rubbers, available as a performance modifier for blending systems

  5. Multi-scenario applicability, suitable for asphalt modification and general industrial component manufacturing

Typical Applications Of Kraton D-4271 Impact Modifier

  1. Asphalt modification (road pavement, waterproof asphalt, improve toughness and compatibility)

  2. Shoemaking industry (sole, shoe upper elastic structural components with medium hardness)

  3. Plastic products (pipes, belts, sheets with adjustable flexibility and rigidity)

  4. Industrial components (auto parts, medical devices, sporting goods with medium hardness demand)

  5. Adhesives & modifiers (resin/rubber blending systems, adjust formulation performance)

Specifications Of Kraton D-4271 Impact Modifier


Basic Properties
Chemical NameStyrene/Butadiene/Styrene Block Copolymer (SBS)
Product CategoryPlastic Elastomer
Physical FormSolid
Density0.938 g/cm³
Hardness (Shore A)71
Melt Property
Melt Flow Rate (MFR)11 g/10min
Mechanical Properties
Tensile Stress2 MPa
Elongation at Break1000 %





























































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