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

Dow SILASTIC ES 5000 Silicone Rubber

Dow SILASTIC ES 5000 Silicone Rubber is a two-part, platinum-cured liquid silicone rubber (LSR) from Dow’s SILASTIC ES series—designed for high-precision medical and pharmaceutical molding. It offers excellent biocompatibility (USP Class VI), low viscosity, fast cure, and superior thermal stability. Ideal for injection molding of complex, thin-walled components requiring consistent dimensional accuracy and regulatory compliance.
  • dow silastic es 5000 silicone rubber_d3d5affe
  • dow silastic es 5000 silicone rubber_d3d5affe

Features Of Dow SILASTIC ES 5000 Silicone Rubber

  1. High-consistency, two-part addition-cure silicone rubber with excellent flow and mold-filling capability.

  2. Low compression set and outstanding thermal stability over extended service life.

  3. Excellent electrical insulation properties and resistance to UV, ozone, and weathering.

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

  5. Compatible with automated dispensing and injection molding processes for high-volume production.

Typical Applications Of Dow SILASTIC ES 5000 Silicone Rubber

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

  2. Sealing and encapsulation of LED lighting modules and drivers.

  3. Protective coatings and gaskets for automotive electronic control units (ECUs).

  4. Thermal interface materials and potting compounds for renewable energy inverters.

  5. Medical device housings requiring biocompatibility-compliant elastomeric performance.

Specifications Of Dow SILASTIC ES 5000 Silicone Rubber

Chemical TypePlatinum-catalyzed addition-cure silicone elastomer
Product FormTwo-component liquid system (Part A + Part B)
AppearanceTranslucent to milky white viscous liquid (Part A); colorless to pale yellow liquid (Part B)
Primary ApplicationsElectrical insulation, encapsulation, sealing, and protective molding
Key FeaturesUL 94 V-0 rated, low ionic content, minimal outgassing
BenefitsLong-term reliability under thermal cycling and harsh environmental exposure
Curing SystemRoom temperature or elevated temperature (80–120°C) cure
Shelf Life12 months at 25°C when stored unopened in original packaging


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