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

Dow SILASTIC SH 871 U Silicone Rubber

Dow SILASTIC SH 871 U is a high-strength, platinum-cured liquid silicone rubber (LSR) offering excellent flow, low viscosity, and rapid cure—ideal for precision injection molding of medical, automotive, and consumer parts requiring biocompatibility and thermal stability.
  • dow silastic sh 871 u silicone rubber_fe619a40
  • dow silastic sh 871 u silicone rubber_fe619a40

Features Of Dow SILASTIC SH 871 U Silicone Rubber

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

  2. UL 94 V-0 rated for flame resistance, supporting stringent electrical safety requirements.

  3. Outstanding thermal stability across –60 °C to +200 °C continuous service range.

  4. Low compression set and superior long-term elastic recovery for dynamic sealing applications.

  5. Excellent electrical insulation properties with stable dielectric strength over time and temperature.

Typical Applications Of Dow SILASTIC SH 871 U Silicone Rubber

  1. High-voltage insulators and bushings for power transmission equipment.

  2. Seals and gaskets in automotive under-hood components exposed to heat and fluids.

  3. Encapsulants and potting compounds for electronic control units (ECUs) and sensors.

  4. Medical device housings requiring biocompatibility support (ISO 10993 tested per formulation).

  5. Industrial automation components demanding dimensional stability and vibration damping.

Specifications Of Dow SILASTIC SH 871 U Silicone Rubber

Chemical TypePlatinum-catalyzed addition-cure silicone rubber
Product FormTwo-part liquid system (Part A: base; Part B: catalyst)
AppearanceTranslucent to opaque viscous liquid (color varies by grade)
Primary ApplicationsElectrical insulation, sealing, encapsulation, and protective molding
Key FeaturesFlame retardant (UL 94 V-0), low compression set, high elongation
BenefitsReduced post-mold shrinkage, consistent cure profile, minimal by-products
Cure SystemAddition-cure (no peroxide or condensation by-products)
Shelf Life12 months at ≤25 °C when stored unopened in original packaging


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