Dow Dowsil X3-1598 Adhesive

Dow Dowsil X3-1598 Adhesive Datasheet
  • Description for Dow Dowsil X3-1598 Adhesive

    Noncorrosive; self-priming; rapid heat cure; high strength; flowable; contains UV indicator for automated inspection.

    *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 ABS
    Industry Connector sealing, Lighting, Engine controllers, E-Mobility Solutions, Smart Meters, Smart Home Devices
    Manufacturer Dow
    Chemistry Silicone elastomer, No added solvents
    Cure Method Heat, Addition cure
    Cure Temperature (°C) >100, 20 to 25, 150, 125
    Cure Time (min) Rapid, 30, 60
    Viscosity (cPs) 84,000, 86,550
    Color Black
    High Temperature Resistance (°C) 200
    Low Temperature Resistance (°C) -45, -55
  • Technical Data for Dow Dowsil X3-1598 Adhesive

    Overview
    • Application Type
    • 1 Part or 2 Part
      • 1 Part or 2 Part - 1 Part
    • Material Form
      • Elastomer - Silicone elastomer
      • Liquid
    • Substrate
    • Industry
      • Lighting
      • Other Transportation - Transmission
      • E-Mobility Solutions
      • Connectors - Connector sealing
      • Smart Meters
      • Smart Home Devices
      • Engine - Engine controllers
      • Construction - Sealing housings
      • Other - Attaching baseplates, Sealing lids
    • Chemistry
    • Application Method
      • Dispenser - Automate or manual needle dispense
    • Cure Method
      • Heat
      • 2-Part Cure - Addition cure
    • Color
      • Black
    • Brand
      • Dowsil
    Specifications
    Cure Specs
    Cure Temperature (°C) >100, 20 to 25, 150, 125
    Cure Time (min) Rapid, 30, 60
    Viscosity (cPs) 84,000, 86,550
    Work / Pot Time (min) Long Test Method
    Bond Strength
    General Bond Strength (psi) High
    Shear Strength (psi) 790 Test Method
    Tensile Strength (psi) 820, High
    Material Resistance
    Environmental Resistance Environmental resistance
    High Temperature Resistance (°C) 200
    Low Temperature Resistance (°C) -45, -55
    Moisture/Humidity Resistance Moisture/humidity resistance
    Conductivity
    Dielectric Strength (V/mil) Good, Durable
    Hardness
    Shore A Hardness 60
    Elongation (%) 2
    Flexibility Flexible
    Other Properties
    Specific Gravity 1.320 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 X3-1598 Adhesive

    *See Terms of Use Below

    1. Surface Preparation

      All surfaces should be thoroughly cleaned and/or degreased with Dow Corning® brand 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

      Upon standing, some filler may settle to the bottom of the liquid containers after several weeks. To ensure a uniform product mix, the material in each container should be thoroughly mixed prior to use. Two-part materials should be mixed in the proper ratio (1:1 or 10:1) either by weight or volume. The presence of light colored streaks or marbling indicates inadequate mixing.

    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

      Substrate 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, 100 percent cohesive failure of the adhesive in a lap shear or similar adhesive strength test is desired. This ensures compatibility of the adhesive with the substrate being considered. Also, this test can be used to determine minimum cure time or can detect the presence of surface contaminants such as mold release agents, oils, greases and oxide films.

  • Comparable Materials for Dow Dowsil X3-1598 Adhesive

    *See Terms of Use Below

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Work / Pot Time Test Methods
Work / Pot Time Temperature
Long
Shear Strength Test Methods
Shear Strength Type
790 psi Lap shear strength
Specific Gravity Test Methods
Specific Gravity Test Method
1.320 Cured