Dow Dowsil SE 9188 RTV Adhesive

Dow Dowsil SE 9188 RTV Adhesive Datasheet
  • Description for Dow Dowsil SE 9188 RTV Adhesive

    One-part, gray, non-flowing adhesive, fast tack free with controlled volatility and good flame resistance, Room temperature cure, no ovens required, UL 94 V-0 flammability rating,

    *See Terms of Use Below

    Brand Dowsil
    Application Type Adhesive, Sealing
    1 Part or 2 Part 1 Part
    Material Form Liquid
    Substrate Glass
    Industry Part fixing on circuit boards, PCB system assemblies, Advanced driver-assistance systems (ADAS), E-Mobility Solutions, Smart Meters, Smart Home Devices, Circuit board of power supply modules
    Manufacturer Dow
    Chemistry Polydimethylsiloxane
    Cure Method Moisture Cure, RTV, Room Temperature Cure, Heat
    Cure Temperature (°C) 20 to 25
    Cure Time (min) 2,880
    Viscosity (cPs) Non-flowing
    Color Gray
    High Temperature Resistance (°C) 200
    Low Temperature Resistance (°C) -45, -55
    Key Specifications UL (Underwriters Laboratory), ULC (Underwriters Laboratories of Canada), NFPA (National Fire Protection Association): UL 94: UL 94 V-0 flammability rating
  • Technical Data for Dow Dowsil SE 9188 RTV Adhesive

    Overview
    • Application Type
    • 1 Part or 2 Part
      • 1 Part or 2 Part - 1 Part
    • Material Form
      • Liquid
    • Substrate
    • Industry
      • Advanced driver-assistance systems (ADAS)
      • E-Mobility Solutions
      • Electronics - Part fixing on circuit boards, Circuit board of power supply modules
      • Printed Circuit Board (PCB) - PCB system assemblies
      • Smart Meters
      • Smart Home Devices
      • Power Supplies - Circuit board of power supply modules
    • Chemistry
      • Volatile Content: VOC - Controlled silicone volatility
      • Silicone - Polydimethylsiloxane
    • Application Method
      • Dispenser - Automated and manual needle dispense systems
    • Cure Method
      • Room Temperature / Air Dry - Room Temperature Cure
      • Moisture / Condensation Cure - Moisture Cure
      • Heat
      • RTV (Room Temperature Vulcanization) - RTV
    • Color
      • Gray
    • Key Specifications
      • UL (Underwriters Laboratory), ULC (Underwriters Laboratories of Canada), NFPA (National Fire Protection Association): UL 94: V0 - UL 94 V-0 flammability rating
    • Brand
      • Dowsil
    Specifications
    Cure Specs
    Cure Temperature (°C) 20 to 25
    Cure Time (min) 2,880
    Viscosity (cPs) Non-flowing
    Tack Free Time (min) Fast, 10 Test Method
    Bond Strength
    Shear Strength (psi) 270 Test Method
    Tensile Strength (psi) 420
    Material Resistance
    Flame Resistance Good
    Environmental Resistance Environmental resistance
    High Temperature Resistance (°C) 200
    Low Temperature Resistance (°C) -45, -55
    Moisture/Humidity Resistance Moisture/humidity resistance
    Vibration Resistance/Shock Resistance Vibration dampening
    Conductivity
    Dissipation Factor 0.00300 Test Method
    Dielectric Strength (V/mil) Good, Durable, 750
    Dielectric Constant 3.40 Test Method
    Volume Resistivity (O) 1E+15 (ohms/cm) Test Method
    Hardness
    Shore A Hardness 34 Test Method
    Elongation (%) 400
    Flexibility Flexible
    Other Properties
    Specific Gravity 1.290 Test Method
    Business Information
    Shelf Life Details For best results, Dow RTV adhesives should be stored at or below the storage temperature listed on the product label. Store in accordance with any special instructions listed on the product label. The product should be used by its Use Before date as indicated on the product label.
    Shelf Life Temperature (°F) 90
    Shelf Life Type from date of manufacture
    Shelf Life (mon) 15
    Not Good For
    Don't Use With Plastic or Rubber Substrates that are Highly Plasticized, Polypropylene, Non-reactive metal substrates, Non-reactive plastic surfaces, Teflon®, Polyethylene
  • Best Practices for Dow Dowsil SE 9188 RTV 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

      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, 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.

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Tack Free Time Test Methods
Tack Free Time Tack Free Temperature
Fast
10 min 25°C
Shear Strength Test Methods
Shear Strength Type Substrate Test Method
270 psi Lap shear strength Glass Unprimed Adhesion
Dielectric Constant Test Methods
Dielectric Constant Test Method
3.40 At 1 MHz
Dissipation Factor Test Methods
Dissipation Factor Test Method
0.00300 At 1 MHz
Volume Resistivity Test Methods
Volume Resistivity Test Method
1E+15 (ohms/cm) JIS K 6249
Shore A Hardness Test Methods
Shore A Hardness Shore Hardness Test Method
34 Durometer
Specific Gravity Test Methods
Specific Gravity Test Method
1.290 Cured