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

Dow DOWSIL EA-1100 Silicone Rubber

Dow DOWSIL EA-1100 Silicone Rubber is a two-part, addition-cure liquid silicone rubber offering excellent flow, low viscosity, and high thermal stability. Ideal for precision molding of medical devices, seals, and gaskets, it delivers outstanding biocompatibility, mechanical strength, and dimensional accuracy after curing at room or elevated temperatures.
  • dow dowsil ea 1100 silicone rubber_ea196a41
  • dow dowsil ea 1100 silicone rubber_ea196a41

Features Of Dow DOWSIL EA-1100 Silicone Rubber

  1. Two-part, addition-cure liquid silicone rubber offering excellent flow and low viscosity for precision molding.

  2. High thermal stability with continuous service temperature up to 180 °C.

  3. UL 94 V-0 rated for flame retardancy in electrical and electronic applications.

  4. Low compression set and outstanding long-term elasticity retention under dynamic stress.

  5. Biocompatibility tested per ISO 10993–5 (cytotoxicity) and suitable for medical device encapsulation.

Typical Applications Of Dow DOWSIL EA-1100 Silicone Rubber

  1. Encapsulation and potting of high-voltage power electronics and EV battery management systems.

  2. Sealing and gasketing for automotive sensors operating in under-hood environments.

  3. Insulation and protective coating for LED lighting modules requiring thermal management.

  4. Medical device components including wearable sensor housings and diagnostic equipment seals.

  5. Industrial automation components exposed to repeated mechanical cycling and temperature extremes.

Specifications Of Dow DOWSIL EA-1100 Silicone Rubber

Chemical TypePlatinum-catalyzed addition-cure silicone rubber
Product FormTwo-component liquid (Part A + Part B)
AppearanceClear to translucent viscous liquid (Part A); colorless to pale yellow liquid (Part B)
Primary ApplicationsEncapsulation, potting, sealing, and gasketing in demanding industrial, automotive, and medical environments
Key FeaturesLow shrinkage, excellent adhesion to substrates (metals, plastics, ceramics), and minimal outgassing
BenefitsReduced post-mold trimming, improved reliability in harsh conditions, and compatibility with automated dispensing systems
Cure SystemHeat-cured (typical: 10–15 min at 125 °C)
Shore A Hardness (7 days, 23 °C)45 ± 5


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