Dow Dowsil 20 Release Coating Datasheet Dow Dowsil 20 Release Coating

Information provided by Gluespec
  • Description for Dow Dowsil 20 Release Coating

    Release coating for plastics, adhesives, and elastomeric products, solvent dilutable, provides heat stable, polydimethylsiloxane.

    *See Terms of Use Below

    Brand Dowsil
    Application Type Release coating
    1 Part or 2 Part 1-Part
    Material Form Liquid
    Substrate Methacrylates, Silicone glass laminates, Plastics, Polyesters, Polyurethanes, Porous substrates, Phenolics
    Manufacturer Dow
    Chemistry Flammable, High molecular weight silicone resin, Xylene, Non-carbonizing, Polydimethylsiloxane, Stoddard
    Cure Method Solvent, Heat cure
    Cure Temperature (°C) 93 to 204
    Cure Time (min) 5.00 to 10
    Viscosity (cPs) 11 (cSt), Non-oily
    Color Colorless/ light straw, Colorless/ light straw
    High Temperature Resistance (°C) Heat stable
    Can Be Used In Conjunction With These Materials Moldmaking materials, Adhesives, Elastomeric products
  • Technical Data for Dow Dowsil 20 Release Coating

    Overview
    • Application Type
    • 1 Part or 2 Part
      • 1-Part
    • Material Form
      • Liquid
    • Substrate
      • Porous Substrates
      • Glass - Silicone glass laminates
      • Plastic - Plastics
      • Acrylic (PMMA) - Methacrylates
      • Polyurethane - Polyurethanes
      • Phenolic - Phenolics
      • Polyester - Polyesters
      • Other - Epoxies, Melamimes, Silicone glass laminates
    • Industry
    • Chemistry
      • Solvent-Based - Xylene, Stoddard
      • Other - Flammable, Non-carbonizing
      • Silicone - Polydimethylsiloxane, High molecular weight silicone resin
    • Application Method
      • Brush - Brushing, Wiping
      • Spray - Spraying
    • Cure Method
      • Solvent
      • Heat - Heat cure
    • Color
      • Clear / Transparent - Colorless/ light straw
      • Yellow - Colorless/ light straw
    • Can Be Used In Conjunction With These Materials
      • Other - Moldmaking materials, Adhesives, Elastomeric products
    • Brand
      • Dowsil
    Specifications
    Cure Specs
    Cure Temperature (°C) 93 to 204
    Cure Time (min) 5.00 to 10
    Viscosity (cPs) 11 (cSt), Non-oily Test Method
    Material Resistance
    High Temperature Resistance (°C) Heat stable
    Other Properties
    Specific Gravity 0.93 (g/ml) Test Method
    Flash Point (°F) 89.6 Test Method
    Business Information
    Shelf Life Details When stored at or below 30°C (86°F) in the original unopened containers, this product has a usable life of 24 months from the date of production. This product is classed as a flammable, with a flash point of 32°C (89.6°F). Handle and store with appropriate precautions.
    Shelf Life Temperature (°F) <86
    Shelf Life Type from the date of production
    Shelf Life (mon) 24
  • Best Practices for Dow Dowsil 20 Release Coating

    *See Terms of Use Below

    1. Surface Preparation

      After application, allow the mold surface to dry until completely free of diluent. Because the solvents used to dilute DOWSIL™ 20 Release Coating may be flammable, special care must be taken when applying the dilution to hot surfaces.

    2. Application

      Easy to use

      After dilution, DOWSIL™ 20 Release Coating can be applied by spraying, brushing, or wiping. Mold surfaces should be cleaned prior to application. Best parting characteristics are obtained when this product is applied in a very thin film.

    3. Curing

      Although not essential, a heat cure produces better release and increased durability of the parting film. Heating the molds for 5–10 minutes at 93–204°C (200–400°F) is suggested.

  • Comparable Materials for Dow Dowsil 20 Release Coating

    *See Terms of Use Below

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Viscosity Test Methods
Viscosity Test Method
11 (cSt) Specification Writers: These values are not intended for use in preparing specifications
Non-oily
Flash Point Test Methods
Flash Point Test Method
32.0°C CTM 0021A, closed cup, Specification Writers: These values are not intended for use in preparing specifications.
Specific Gravity Test Methods
Specific Gravity Temperature Test Method
0.93 (g/ml) 25°C CTM 0001A, Specification Writers: These values are not intended for use in preparing specifications.