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

API 1556/PS HV TPE

API1556/PSHVTPETPEbyPolyOne’sThermotrendSeriesisahigh-flow,heat-resistantthermoplasticelastomerwithexcellentprocessability,lowcompressionset,andgoodchemicalresistance—idealforautomotiveunder-hoodandindustrialsealingapplicationsrequiringlong-termdurabilityathightemperatures.
  • api 1556 ps hv tpe_0973627c
  • api 1556 ps hv tpe_0973627c

Features Of API 1556/PS HV TPE

  1. High-voltage dielectric stability for reliable electrical insulation performance.

  2. Excellent thermal resistance up to 125°C continuous service temperature.

  3. Good processability via injection molding and extrusion without pre-drying.

  4. Low compression set and superior resilience for dynamic sealing applications.

  5. Halogen-free formulation meeting RoHS and UL94 HB flame-retardant requirements.

Typical Applications Of API 1556/PS HV TPE

  1. High-voltage cable jacketing and insulation for EV charging systems.

  2. Seals and gaskets in automotive powertrain and battery enclosures.

  3. Flexible connectors and overmolded components in industrial control units.

  4. Insulated housings for renewable energy inverters and DC bus components.

  5. Medical device cables requiring biocompatibility-compliant elastomeric insulation.

Specifications Of API 1556/PS HV TPE

Chemical TypeStyrenic Block Copolymer (TPE-S) with PS-based hard phase
Product FormPellets
AppearanceOff-white to light beige, free-flowing granules
Primary ApplicationsElectrical insulation, dynamic sealing, high-voltage component overmolding
Key FeaturesHigh dielectric strength, low moisture absorption, excellent UV resistance
BenefitsReduced part weight vs. thermosets, recyclable processing scrap, no vulcanization required
Density (ASTM D792)0.98–1.02 g/cm³
Hardness (Shore A, ASTM D2240)85–90


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