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

Kraton G1657 SEBS Elastomer

Kraton G1657 is a high-performance SEBS elastomer from the Kraton G Series, offering exceptional melt stability, tensile strength, and soft-touch feel. Designed for medical devices, adhesives, and soft-touch overmolding, it delivers superior thermal resistance and low extractables—ideal for demanding, regulated applications requiring biocompatibility and consistent processing.
  • kraton g1657 sebs elastomer_597aca32
  • kraton g1657 sebs elastomer_597aca32

Features Of Kraton G1657 SEBS Elastomer

  1. High melt flow index for excellent processability in extrusion and injection molding.

  2. Outstanding elasticity and recovery performance at room and elevated temperatures.

  3. Excellent compatibility with polypropylene (PP) and polyethylene (PE) for thermoplastic vulcanizate (TPV) formulations.

  4. Good UV and thermal stability, supporting long-term outdoor and automotive under-hood applications.

  5. Low extractables and compliant with FDA 21 CFR §177.2600 for food-contact-compatible compounds (when compounded appropriately).

Typical Applications Of Kraton G1657 SEBS Elastomer

  1. Automotive interior trim components including soft-touch dashboards and door panels.

  2. Medical tubing and device overmolding requiring biocompatibility and flexibility.

  3. Consumer electronics seals, gaskets, and protective grips.

  4. Footwear midsoles and outsole compounds for enhanced cushioning and wear resistance.

  5. Packaging films and closures requiring seal integrity and elastic recovery.

Specifications Of Kraton G1657 SEBS Elastomer

Chemical TypeStyrene–ethylene/butylene–styrene (SEBS) triblock copolymer
Product FormPellets
AppearanceOff-white to light tan, free-flowing pellets
Primary ApplicationsThermoplastic elastomer (TPE) compounding, PP/SEBS TPVs, soft-touch overmolding
Key FeaturesHigh melt flow, excellent elasticity, PP compatibility, low extractables
BenefitsImproved processing efficiency, superior part definition, reduced cycle times, enhanced surface aesthetics
Processing MethodExtrusion, injection molding, blow molding
Storage ConditionsStore in cool, dry location; protect from moisture and direct sunlight


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