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

Dow SILASTIC HV 1551-95P Silicone Rubber

Dow SILASTIC HV 1551-95P is a high-consistency silicone rubber (HCR) from Dow’s SILASTIC HV series, featuring excellent mechanical strength, thermal stability up to 200°C, and outstanding compression set resistance. It cures rapidly via platinum-catalyzed addition curing, offering superior dimensional stability and biocompatibility—ideal for medical devices, automotive seals, and precision molded parts.
  • dow silastic hv 1551 95p silicone rubber_8f9ce6a8
  • dow silastic hv 1551 95p silicone rubber_8f9ce6a8

Features Of Dow SILASTIC HV 1551-95P Silicone Rubber

  1. High-consistency, two-part platinum-cured silicone rubber with excellent processability in compression and transfer molding.

  2. Outstanding thermal stability across a wide service temperature range of –60 °C to +200 °C.

  3. Excellent electrical insulation properties and low compression set for long-term sealing performance.

  4. Meets UL 94 HB flammability rating and complies with FDA 21 CFR 177.2600 for indirect food contact applications.

  5. Low volatility and minimal extractables, supporting high-purity requirements in medical and electronics manufacturing.

Typical Applications Of Dow SILASTIC HV 1551-95P Silicone Rubber

  1. Seals and gaskets for automotive powertrain and under-hood components.

  2. Electrical insulators and encapsulants in power distribution equipment.

  3. Medical device housings and non-implantable components requiring biocompatibility support.

  4. Industrial fluid handling components exposed to oils, coolants, and ozone.

  5. Consumer appliance parts requiring heat resistance and dimensional stability.

Specifications Of Dow SILASTIC HV 1551-95P Silicone Rubber

Chemical TypePlatinum-cured high-consistency silicone rubber (HCR)
Product FormTwo-part compound (Part A: base; Part B: catalyst)
AppearancePearl-white, uniform dough-like consistency
Shore A Hardness (ASTM D2240)95 ± 2
Tensile Strength (ASTM D412)≥ 8.0 MPa
Elongation at Break (ASTM D412)≥ 150 %
Compression Set (ASTM D395, 22 h @ 200 °C)≤ 35 %
Key FeaturesHeat resistance, electrical insulation, low compression set, FDA-compliant formulation


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