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

BASF 685AU TPU Elastomer

BASF Elastollan® 685AU is a high-performance thermoplastic polyurethane (TPU) elastomer from the Elastollan® A-series, offering excellent abrasion resistance, oil/chemical resistance, and dynamic mechanical properties for demanding extrusion and injection molding applications.
  • basf 685au tpu elastomer_d62f5c0e
  • basf 685au tpu elastomer_d62f5c0e

Features Of BASF 685AU TPU Elastomer

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

  2. Outstanding elasticity and recovery performance across a wide temperature range (–40 °C to 80 °C).

  3. Good resistance to oils, greases, and many common industrial chemicals.

  4. High melt flow consistency enabling reliable processing via extrusion and injection molding.

  5. Low compression set for durable sealing and dynamic cushioning applications.

Typical Applications Of BASF 685AU TPU Elastomer

  1. Industrial rollers and conveyor belts requiring wear-resistant surfaces.

  2. Automotive interior trim components including flexible overlays and soft-touch surfaces.

  3. Protective casings and housings for electronic devices and power tools.

  4. Technical hoses and fluid transfer tubing in pneumatic and hydraulic systems.

  5. Footwear midsoles and performance outsoles demanding resilience and energy return.

Specifications Of BASF 685AU TPU Elastomer

Chemical TypeAliphatic polyester-based thermoplastic polyurethane
Product FormPellets
AppearanceOff-white to light beige, free-flowing granules
Primary ApplicationsExtrusion, injection molding, calendering
Key FeaturesAbrasion resistance, elasticity, oil resistance, processability
BenefitsLong-term dimensional stability, low hysteresis, recyclable melt processing
Density (g/cm³)1.18–1.20
Melt Flow Index (230 °C/2.16 kg, g/10 min)10–14


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