Dow Dowsil 3-1595 Silicone Adhesive Datasheet Dow Dowsil 3-1595 Silicone Adhesive

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  • Description for Dow Dowsil 3-1595 Silicone Adhesive

    One-part, gray, soft thixotropic adhesive with high elongation values and UV indicator for inspection, Heat cure.

    *See Terms of Use Below

    Brand Dowsil
    Application Type Bond, Sealing, Gasketing
    1 Part or 2 Part 1-Part
    Material Form Liquid, Silicone elastomer
    Substrate Aluminum, ABS
    Industry Connector sealing, Lighting, Engine controllers
    Manufacturer Dow
    Chemistry Silicone elastomer, Silicone
    Cure Method Neutral cure, RTV, Moisture
    Cure Temperature (°C) 125, 150
    Cure Time (min) 60, 30
    Viscosity (cPs) 610,000
    Color Gray
    High Temperature Resistance (°C) 200
    Low Temperature Resistance (°C) -45, -55
  • Technical Data for Dow Dowsil 3-1595 Silicone Adhesive

    • Application Type
    • 1 Part or 2 Part
      • 1-Part
    • Material Form
      • Elastomer - Silicone elastomer
      • Liquid
    • Substrate
    • Industry
      • Lighting
      • Other Transportation - Transmission
      • Connectors - Connector sealing
      • Industrial - Sealing housings, Sealing lids
      • Engine - Engine controllers
      • Construction - Attaching baseplates
    • Chemistry
    • Application Method
      • Dispenser - Automated or manual needle dispense
    • Cure Method
      • Moisture / Condensation Cure - Moisture
      • RTV (Room Temperature Vulcanization) - RTV
      • Other - Neutral cure
    • Color
      • Gray
    • Brand
      • Dowsil
    Cure Specs
    Cure Temperature (°C) 125, 150 Test Method
    Cure Time (min) 60, 30 Test Method
    Viscosity (cPs) 610,000
    Work / Pot Time (min) Long Test Method
    Thixotropic Soft thixotropic
    Bond Strength
    Shear Strength (psi) 215 Test Method
    Tensile Strength (psi) 240
    Material Resistance
    Environmental Resistance Environmental resistance
    High Temperature Resistance (°C) 200
    Low Temperature Resistance (°C) -45, -55
    Moisture/Humidity Resistance Moisture/humidity resistance
    Dielectric Strength (V/mil) Good, Durable dielectric insulation
    Elongation (%) 800, High
    Shore OO Hardness 65
    Flexibility Flexible
    Modulus (psi) Low
    Other Properties
    Specific Gravity 1.060 Test Method
    Business Information
    Shelf Life Details Shelf life is indicated by the “Use Before” date found on the product label. For best results, Dow Corning RTV adhesives should be stored at or below 25°C (77°F). Special precautions must be taken to prevent moisture from contacting these materials. Containers should be kept tightly closed with head or air space minimized. Partially filled containers should be purged with dry air or other gases, such as nitrogen.
    Shelf Life Type from date of manufacture
    Shelf Life (mon) 12
    Not Good For
    Don't Use With Plastic, Rubber
  • Best Practices for Dow Dowsil 3-1595 Silicone Adhesive

    *See Terms of Use Below

    1. Surface Preparation

      All surfaces should be thoroughly cleaned and/or degreased with Dow OS fluids, naphtha, mineral spirits, methyl ethyl ketone (MEK) or other suitable solvent. Solvents such as acetone or isopropyl alcohol (IPA) do not tend to remove oils well, and any oils remaining on the surface may interfere with adhesion. Light surface abrasion is recommended whenever possible, because it promotes good cleaning and increases the surface area for bonding. A final surface wipe with acetone or IPA is also useful. Some cleaning techniques may provide better results than others

      users should determine the best techniques for their particular applications.

    2. Mixing

      No mixing required

    3. Deairing/Degassing

      Automated airless dispense equipment can be used to reduce or avoid the need to de-air. If de-airing is required to reduce voids in the cured elastomer, consider a vacuum de-air schedule of >28 inches Hg for 10 minutes or until bubbling subsides.

    4. Testing

      Due to the wide variety of substrate types and differences in substrate surface conditions, general statements on adhesion and bond strength are impossible. To ensure maximum bond strength on a particular substrate, cohesive failure of the product in a lap shear or similar test is needed to ensure compatibility of the adhesive with the substrate being considered. Also, this test can be used to determine minimum cure time or to detect the presence of surface contaminants such as mold release agents, oils, greases and oxide films.

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    *See Terms of Use Below

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Cure Temperature Test Methods
Cure Temperature Cure Time Test Method
125°C Heat Cure
150°C Heat Cure
Cure Time Test Methods
Cure Time Test Method
60 min Heat Cure
30 min Heat Cure
Work / Pot Time Test Methods
Work / Pot Time Temperature
Shear Strength Test Methods
Shear Strength Type Substrate Test Method
215 psi Lap shear strength Aluminum Unprimed Adhesion
Specific Gravity Test Methods
Specific Gravity Test Method
1.060 Cured