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

Dow SILASTIC FCE 50-4948 SA Silicone Rubber

Dow SILASTIC FCE 50-4948 SA is a high-performance liquid silicone rubber (LSR) from Dow’s SILASTIC FCE series, engineered for precision molding, excellent flow, low compression set, and biocompatibility per ISO 10993. Ideal for medical devices, seals, and demanding industrial applications requiring thermal stability and consistent cure.
  • dow silastic fce 50 4948 sa silicone rubber_be7152b4
  • dow silastic fce 50 4948 sa silicone rubber_be7152b4

Features Of Dow SILASTIC FCE 50-4948 SA Silicone Rubber

  1. High consistency and excellent extrudability for precision profile formation.

  2. Platinum-catalyzed, addition-cure chemistry enabling low compression set and superior thermal stability.

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

  4. Meets UL 94 V-0 flammability rating for enhanced safety in critical applications.

  5. Low volatility and minimal extractables—suitable for medical device and food-contact-adjacent uses.

Typical Applications Of Dow SILASTIC FCE 50-4948 SA Silicone Rubber

  1. Extruded seals and gaskets for automotive under-hood components.

  2. Insulated jacketing and sleeving for high-voltage cables and busbars.

  3. Custom profiles for HVAC system vibration dampers and thermal barriers.

  4. Medical equipment housings requiring biocompatibility-supportive material handling.

  5. Industrial automation enclosures exposed to ozone, UV, and wide thermal cycling.

Specifications Of Dow SILASTIC FCE 50-4948 SA Silicone Rubber

Chemical TypePlatinum-cured addition silicone rubber
Product FormUncured compound—extrudable ribbon or log form
AppearanceOpaque, uniform gray or custom-colored compound
Primary ApplicationsExtruded profiles, seals, insulators, and thermal management components
Key FeaturesHigh consistency, low compression set, flame retardant (UL 94 V-0)
BenefitsConsistent extrusion performance, long-term dimensional stability, and reliable electrical insulation
Curing SystemPt-catalyzed hydrosilylation (requires heat activation)
Storage ConditionsStore below 25°C; protect from moisture and direct sunlight


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