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

Dow DOWSIL r-X Silicone Rubber

Dow DOWSIL r-X Silicone Rubber is a high-performance liquid silicone rubber (LSR) from Dow’s DOWSIL r-Series offering rapid cure, excellent thermal stability, and low compression set for demanding automotive, medical, and industrial sealing applications.
  • dow dowsil r x silicone rubber_a0345d1e
  • dow dowsil r x silicone rubber_a0345d1e

Features Of Dow DOWSIL r-X Silicone Rubber

  1. High-temperature resistance up to 200 °C continuous service

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

  3. Low volatility and low extractables, meeting stringent medical and food-contact requirements

  4. Fast room-temperature vulcanization (RTV) with consistent cure profile across thicknesses

  5. Good adhesion to common substrates including metals, plastics, and glass without primer

Typical Applications Of Dow DOWSIL r-X Silicone Rubber

  1. Medical device encapsulation and housing seals

  2. Automotive under-hood gasketing and vibration-damping components

  3. Food processing equipment gaskets and sanitary seals

  4. Electronics potting and protective coatings for sensors and connectors

  5. Consumer appliance seals requiring FDA-compliant elastomeric performance

Specifications Of Dow DOWSIL r-X Silicone Rubber

Chemical TypePlatinum-cured addition-cure silicone rubber
Product FormTwo-part liquid system (Part A + Part B)
AppearanceTranslucent to opaque viscous liquid, depending on formulation
Primary ApplicationsSealing, gasketing, encapsulation, and molding
Key FeaturesRTV cure, low compression set, biocompatibility-ready
BenefitsReduced assembly time, improved reliability in dynamic environments
Cure MechanismPlatinum-catalyzed hydrosilylation
Regulatory ComplianceMeets USP Class VI and ISO 10993-5 testing protocols (when fully cured)


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