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

Kaiyin TPU B6790

Kaiyin TPU B6790 is a high-performance thermoplastic polyurethane from Kaiyin’s B-series, offering excellent abrasion resistance, flexibility, and processing ease. Widely used in automotive interiors, footwear, and industrial applications, it features balanced hardness (~85A), superior elasticity, and good oil/chemical resistance. This grade ensures consistent melt flow and reliable adhesion to substrates like ABS and PC—ideal for extrusion, injection molding, and TPE overmolding.
  • kaiyin tpu b6790_451548e5
  • kaiyin tpu b6790_451548e5

Features Of Kaiyin TPU B6790

  1. Excellent abrasion resistance for extended service life in demanding mechanical environments.

  2. High elasticity and recovery performance, maintaining shape integrity after repeated deformation.

  3. Good low-temperature flexibility down to –30 °C without significant stiffness increase.

  4. Outstanding oil and grease resistance, suitable for contact with hydrocarbon-based lubricants.

  5. Easy processability via extrusion, injection molding, and calendering with standard TPU equipment.

Typical Applications Of Kaiyin TPU B6790

  1. Automotive interior trim components including instrument panel skins and door armrests.

  2. Industrial conveyor belts requiring high wear resistance and dynamic load capability.

  3. Flexible hoses and tubing for pneumatic and hydraulic systems.

  4. Protective covers and gaskets for electronic enclosures and outdoor equipment.

  5. High-performance footwear midsoles and outsoles demanding resilience and traction.

Specifications Of Kaiyin TPU B6790

Chemical TypeAliphatic polyester-based thermoplastic polyurethane
Product FormPellets
AppearanceOff-white to light beige, free-flowing granules
Shore A Hardness (ASTM D2240)85 ± 2
Density (ASTM D792)1.18–1.20 g/cm³
Melt Flow Index (210 °C/10 kg, ASTM D1238)10–14 g/10 min
Processing Temperature Range180–220 °C
Key FeaturesHydrolysis-resistant, non-yellowing, RoHS-compliant


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