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

Dow SILASTIC DY 35-4088 Silicone Rubber

Dow SILASTIC DY 35-4088 is a high-consistency silicone rubber (HCR) from Dow’s SILASTIC® portfolio, designed for injection molding and extrusion. It offers excellent thermal stability, mechanical strength, and biocompatibility per ISO 10993. Ideal for medical tubing, seals, and automotive components requiring FDA-compliant elastomers with fast cure kinetics and low compression set.
  • dow silastic dy 35 4088 silicone rubber_8023794d
  • dow silastic dy 35 4088 silicone rubber_8023794d

Features Of Dow SILASTIC DY 35-4088 Silicone Rubber

  1. High-temperature stability with continuous service capability up to 200 °C.

  2. Excellent compression set resistance for long-term sealing performance.

  3. Good electrical insulation properties across wide temperature and frequency ranges.

  4. Low volatility and minimal extractables—suitable for demanding medical and automotive environments.

  5. Easy processing via liquid injection molding (LIM) with balanced viscosity and pot life.

Typical Applications Of Dow SILASTIC DY 35-4088 Silicone Rubber

  1. Automotive under-hood seals and gaskets exposed to heat and oil mist.

  2. Medical device components requiring biocompatibility support (ISO 10993 testing available).

  3. Electrical connectors and insulators in power distribution systems.

  4. Consumer appliance seals for cooktops, ovens, and HVAC units.

  5. Industrial fluid handling components compatible with hot air, steam, and mild chemicals.

Specifications Of Dow SILASTIC DY 35-4088 Silicone Rubber

Chemical TypePlatinum-cured high-consistency silicone rubber (HCR)
Product FormTwo-part liquid system (Part A + Part B), supplied separately
AppearancePale translucent viscous liquid (Part A); colorless to pale yellow liquid (Part B)
Shore A Hardness (Cured, 7 days @ 23 °C)40 ± 3
Tensile Strength (ASTM D412)≥ 7.0 MPa
Elongation at Break (ASTM D412)≥ 450 %
Volume Resistivity (ASTM D257)≥ 1 × 10¹⁴ Ω·cm
Primary ApplicationsDynamic and static seals, gaskets, insulators, medical tubing components


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