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

Dow DOWSIL SILASCON RTV 8000 Silicone

Dow DOWSIL SILASCON RTV 8000 Silicone is a high-performance, two-part addition-cure liquid silicone rubber offering excellent thermal stability, low compression set, and outstanding flow for precision molding of medical, optical, and electronic components. It cures rapidly at room or elevated temperatures with minimal shrinkage and superior biocompatibility per ISO 10993.
  • dow dowsil silascon rtv 8000 silicone_f99db8ce
  • dow dowsil silascon rtv 8000 silicone_f99db8ce

Features Of Dow DOWSIL SILASCON RTV 8000 Silicone

  1. High-performance, one-component, room-temperature vulcanizing (RTV) silicone elastomer with excellent adhesion to diverse substrates including metals, glass, and plastics.

  2. Low modulus formulation provides superior flexibility and stress relief for bonded assemblies subjected to thermal cycling or mechanical vibration.

  3. Outstanding resistance to moisture, ozone, UV radiation, and extreme temperatures ranging from –55 °C to +200 °C long-term.

  4. Non-corrosive, acetoxy-cure chemistry with low shrinkage and minimal by-product evolution during cure.

  5. Meets UL 94 HB flammability rating and complies with RoHS Directive 2011/65/EU for restricted substances.

Typical Applications Of Dow DOWSIL SILASCON RTV 8000 Silicone

  1. Sealing and bonding of electronic enclosures, power supplies, and LED lighting housings.

  2. Thermal interface and potting in automotive sensors, control units, and under-hood electronics.

  3. Gasketing and vibration-damping mounts for industrial automation equipment and HVAC components.

  4. Weatherproofing and structural sealing in architectural glazing and solar panel frame assemblies.

  5. General-purpose elastomeric sealant for aerospace ground support equipment and avionics housings.

Specifications Of Dow DOWSIL SILASCON RTV 8000 Silicone

Chemical TypeAcetoxy-cure, polydimethylsiloxane (PDMS)-based RTV silicone
Product FormPaste, thixotropic, ready-to-use in cartridge or bulk packaging
AppearanceOpaque white or translucent beige, uniform paste without visible particles
Shore A Hardness (7 days @ 23 °C / 50% RH)25–30
Tensile Strength (ASTM D412)3.5–4.2 MPa
Elongation at Break (ASTM D412)450–550%
Cure Speed (Surface tack-free time @ 23 °C / 50% RH)15–25 minutes
Operating Temperature Range–55 °C to +200 °C (continuous); short-term up to +250 °C


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