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

Kraton G1657 SEBS Polymer

Kraton G1657 is a high-performance SEBS thermoplastic elastomer in the Kraton G series offering exceptional elasticity resilience and processability for medical tubing adhesives and soft-touch applications with excellent clarity thermal stability and low extractables.
  • kraton g1657 sebs polymer_40943124
  • kraton g1657 sebs polymer_40943124

Features Of Kraton G1657 SEBS Polymer

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

  2. Outstanding soft-touch feel and low surface tack, ideal for overmolding applications.

  3. Good thermal stability and consistent rheological behavior across processing temperatures.

  4. Excellent compatibility with polypropylene (PP) and other thermoplastics in TPE blends.

  5. Low extractables and compliant with FDA 21 CFR §177.2600 for indirect food contact applications.

Typical Applications Of Kraton G1657 SEBS Polymer

  1. Soft-touch overmolded grips for power tools and consumer electronics.

  2. Flexible, durable components in medical device housings and non-invasive equipment.

  3. Thermoplastic elastomer blends for automotive interior trim and seals.

  4. High-clarity, low-tack packaging films and flexible closures.

  5. Personal care applicators and ergonomic handles requiring skin-friendly tactile properties.

Specifications Of Kraton G1657 SEBS Polymer

Chemical TypeStyrene–ethylene/butylene–styrene (SEBS) triblock copolymer
Product FormPellets
AppearanceOff-white to light tan, free-flowing pellets
Melt Flow Rate (230 °C / 2.16 kg)28–34 g/10 min
Styrene Content30–33 wt%
Density (23 °C)0.905–0.915 g/cm³
Key FeaturesSoft-touch, low surface tack, high melt flow, PP-compatible
Primary ApplicationsOvermolding, medical devices, automotive interiors, consumer goods


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