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

Dow DOWSIL PR-1204 RTV Coat Silicone Elastomer

Dow DOWSIL PR-1204 RTV Coat Silicone Elastomer is a platinum-cured, two-part liquid silicone rubber offering exceptional flexibility, thermal stability (–60°C to 200°C), and excellent adhesion to plastics/metals. Ideal for precision coating, encapsulation, and soft-touch applications in medical, automotive, and consumer electronics industries.
  • dow dowsil pr 1204 rtv coat silicone elastomer_fb645fc5
  • dow dowsil pr 1204 rtv coat silicone elastomer_fb645fc5

Features Of Dow DOWSIL PR-1204 RTV Coat Silicone Elastomer

  1. Room-temperature vulcanizing (RTV) silicone elastomer offering rapid, solvent-free cure at ambient conditions.

  2. Excellent adhesion to a wide range of substrates including metals, plastics, and glass without primers.

  3. Outstanding thermal stability with continuous service capability from –60 °C to +200 °C.

  4. Low compression set and high elasticity for durable sealing and protective coating performance.

  5. UL 94 V-0 rated for flame resistance, supporting safety-critical electronic and automotive applications.

Typical Applications Of Dow DOWSIL PR-1204 RTV Coat Silicone Elastomer

  1. Protective conformal coatings for printed circuit boards (PCBs) in automotive electronics.

  2. Sealing and potting of sensors, connectors, and power modules exposed to harsh environmental conditions.

  3. Insulating and vibration-damping coatings for LED lighting assemblies and drivers.

  4. Dielectric encapsulation for high-voltage components in renewable energy inverters and converters.

  5. Moisture- and corrosion-resistant barrier coatings for industrial control units and instrumentation housings.

Specifications Of Dow DOWSIL PR-1204 RTV Coat Silicone Elastomer

Chemical TypePlatinum-cured addition-cure silicone elastomer
Product FormTwo-component liquid (Part A: base; Part B: catalyst)
AppearanceTranslucent, low-viscosity liquid
Primary ApplicationsConformal coating, protective encapsulation, and sealing
Key FeaturesRTV, low shrinkage, excellent dielectric properties, UV stable
BenefitsNo VOCs, minimal outgassing, long pot life, fast room-temperature cure
Cure MechanismAddition reaction (no by-products)
Shelf Life12 months unopened at 25 °C


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