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

Comtrex 4770 TPE

Comtrex 4770 TPE is a thermoplastic elastomer from the Comtrex series by Teknor Apex—offering excellent melt processability, soft-touch feel, and superior adhesion to PP/ABS substrates. Designed for overmolding and automotive interior applications, it delivers consistent flow, low odor, and RoHS-compliant formulation with Shore A 70 hardness.
  • comtrex 4770 tpe_cc64bd60
  • comtrex 4770 tpe_cc64bd60

Features Of Comtrex 4770 TPE

  1. Thermoplastic elastomer with excellent melt processability via injection molding and extrusion.

  2. Outstanding soft-touch feel and high elasticity retention after repeated deformation.

  3. Good resistance to UV exposure and thermal aging up to 70 °C continuous service temperature.

  4. Low extractables profile, compliant with FDA 21 CFR §177.2600 for indirect food contact applications.

  5. Easy colorability with masterbatches and compatible with common polypropylene (PP) and polyethylene (PE) substrates for overmolding.

Typical Applications Of Comtrex 4770 TPE

  1. Soft-grip overmolded handles for power tools and garden equipment.

  2. Ergonomic components in medical devices requiring skin-safe, non-latex elastomeric performance.

  3. Sealing rings and gaskets for consumer appliances and fluid-handling housings.

  4. Flexible hinges and snap-fit closures in durable consumer electronics enclosures.

  5. Interior trim accents and tactile controls in automotive cabin modules.

Specifications Of Comtrex 4770 TPE

Chemical TypeStyrenic Block Copolymer (SBC)-based TPE
Product FormNatural-colored pellets, free-flowing
AppearanceOpaque, off-white granules
Hardness (Shore A)45 ± 3
Melt Flow Rate (230 °C / 2.16 kg)18–22 g/10 min
Density0.91 g/cm³
Key FeaturesSoft-touch, overmoldable, recyclable, halogen-free
Primary ApplicationsOvermolding, sealing, ergonomic components, consumer durables


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