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

Merquinsa 45-40/8 TPU Elastomer

Merquinsa 45-40/8 is a thermoplastic polyurethane (TPU) elastomer from the Merquinsa® portfolio, offering balanced hardness (~45 Shore A), excellent melt processability, and superior elasticity. Designed for extrusion and injection molding, it delivers high abrasion resistance, flexibility at low temperatures, and good adhesion to substrates—ideal for automotive seals, medical tubing, and soft-touch applications.
  • merquinsa 45 40 8 tpu elastomer_743913a5
  • merquinsa 45 40 8 tpu elastomer_743913a5

Features Of Merquinsa 45-40/8 TPU Elastomer

  1. Excellent abrasion resistance for demanding mechanical environments.

  2. High tensile strength and elongation at break, ensuring robust performance under dynamic stress.

  3. Good low-temperature flexibility down to –30 °C without significant loss of elasticity.

  4. Outstanding oil and grease resistance, maintaining integrity in lubricated or hydrocarbon-exposed conditions.

  5. Processable via standard thermoplastic methods including injection molding, extrusion, and blow molding.

Typical Applications Of Merquinsa 45-40/8 TPU Elastomer

  1. Automotive interior trim components requiring soft-touch feel and durability.

  2. Industrial hoses and fluid-conveyance tubing for hydraulic and pneumatic systems.

  3. Protective overmolding for electronic connectors and tool handles.

  4. Footwear midsoles and outsoles where resilience and wear resistance are critical.

  5. Medical device tubing and non-implantable components compliant with ISO 10993-5 cytotoxicity requirements.

Specifications Of Merquinsa 45-40/8 TPU Elastomer

Chemical TypeThermoplastic Polyurethane (TPU), Polyester-based
Product FormPellets
AppearanceOff-white to light beige, free-flowing granules
Shore A Hardness45 ± 2
Melt Flow Index (190 °C / 2.16 kg)8–10 g/10 min
Density1.18–1.20 g/cm³
Moisture Content (as received)≤ 0.05 wt%
Processing Temperature Range170–210 °C


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