Dow Dowsil HC 1100 Conformal Coating

Dow Dowsil HC 1100 Conformal Coating Datasheet
  • Description for Dow Dowsil HC 1100 Conformal Coating

    One-part, gray, fast, tack-free conformal coating with controlled volatility and medium viscosity, Solventless RTV elastomeric conformal coatings require atmospheric moisture to cure, needing no expensive ovens, and various viscosity versions facilitate different application methods

    *See Terms of Use Below

    Brand Dowsil
    Application Type Conformal Coating
    1 Part or 2 Part 1 Part
    Material Form Liquid, Silicone elastomer
    Industry Connectors, Rigid circuit boards, Sensors, PCB systems assembly, E-Mobility Solutions, Smart Meters, Smart Home Devices, CD, Spot protection on components, High tolerance devices , Electronic components, DVD, Flexible circuit boards, HDD, Relays
    Manufacturer Dow
    Chemistry Silicone elastomer, Solventless
    Cure Method Atmospheric moisture, RTV, Room Temperature Cure
    Cure Temperature (°C) 25 Room Temperature
    Cure Time (min) 30
    Viscosity (cPs) Medium, 2,375
    Color Gray, Translucent
    Ozone Resistance Ozone resistance
    Chemical Resistance Good
    High Temperature Resistance (°C) 200
    Low Temperature Resistance (°C) -45
    Stress Relief Low stress
  • Technical Data for Dow Dowsil HC 1100 Conformal Coating

    Overview
    • Application Type
    • 1 Part or 2 Part
      • 1 Part or 2 Part - 1 Part
    • Material Form
      • Elastomer - Silicone elastomer
      • Liquid
    • Industry
      • E-Mobility Solutions
      • Electronics - Electronic components, Flexible circuit boards, Relays, Rigid circuit boards, CD, DVD, HDD, Spot protection on components, High tolerance devices
      • Connectors
      • Sensors
      • Printed Circuit Board (PCB) - PCB systems assembly
      • Smart Meters
      • Smart Home Devices
    • Chemistry
      • Volatile Content: VOC - Controlled silicone volatility
      • Solvent-Free - Solventless
      • Silicone - Silicone elastomer
    • Application Method
      • Brush
      • Spray
      • Flow
      • Dip
      • Other - Automated pattern coating
    • Cure Method
      • Room Temperature / Air Dry - Room Temperature Cure
      • Moisture / Condensation Cure - Atmospheric moisture
      • RTV (Room Temperature Vulcanization) - RTV
    • Color
      • Translucent
      • Gray
    • Brand
      • Dowsil
    Specifications
    Cure Specs
    Cure Temperature (°C) 25 Room Temperature Test Method
    Cure Time (min) 30 Test Method
    Viscosity (cPs) Medium, 2,375
    Tack Free Time (min) Fast, 9 Test Method
    Work / Pot Time (min) >86,400 Test Method
    Bond Strength
    General Bond Strength (psi) Good
    Tensile Strength (psi) 120
    Material Resistance
    Ozone Resistance Ozone resistance
    Chemical Resistance Good
    UV Resistance UV resistance
    Environmental Resistance Environmental resistance
    High Temperature Resistance (°C) 200
    Low Temperature Resistance (°C) -45
    Moisture/Humidity Resistance Moisture/humidity resistance
    Conductivity
    Dissipation Factor 0.00300 Test Method
    Dielectric Strength (V/mil) Durable, 575
    Dielectric Constant 3.20 Test Method
    Volume Resistivity (O) 2E+15 (ohms/cm)
    Hardness
    Stress Relief Low stress
    Shore A Hardness 22 Test Method
    Elongation (%) 190
    Flexibility Soft
    Modulus (psi) 60 Test Method
    Other Properties
    Specific Gravity 1.080 Test Method
    Flash Point (°F) 143.6
    % Solids (%) 100
    Business Information
    Shelf Life Details Storage conditions and shelf life (“Use by” date) are indicated on the product label., Special precautions must be taken to prevent moisture from contacting Dow Corning RTV Conformal Coatings. Containers should be kept tightly closed and head or air space minimized. Partially filled containers should be purged with dry air or other gases, such as nitrogen., Shelf life is indicated by the “Use Before” date found on the product label., For best results, Dow Corning RTV Conformal Coatings 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 and 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
  • Best Practices for Dow Dowsil HC 1100 Conformal Coating

    *See Terms of Use Below

    1. Curing

      Time to cure is dependent on several variables including the method of application, film thickness, temperature and humidity. Tack-free time in the data table gives an indication of typical times until surface is dry enough to handle. Cure time for full cure are indications of time needed to develop full physical properties such as durometer, tensile strength or adhesion. These times, including full cure time, can be significantly improved by introducing mild heat of 60°C or less.

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    *See Terms of Use Below

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Cure Temperature Test Methods
Cure Temperature Cure Time Test Method
25°C Room Temperature 50% RH, 0.3 mm
Cure Time Test Methods
Cure Time Test Method
30 min 50% RH, 0.3 mm
Tack Free Time Test Methods
Tack Free Time Tack Free Temperature
Fast
9 min 25°C
Work / Pot Time Test Methods
Work / Pot Time Temperature
>86,400 min <29°C
Dielectric Constant Test Methods
Dielectric Constant Test Method
3.20 At 1 MHz
Dissipation Factor Test Methods
Dissipation Factor Test Method
0.00300 At 1 MHz
Shore A Hardness Test Methods
Shore A Hardness Shore Hardness Test Method
22 Durometer
Modulus Test Methods
Modulus Test Method
60 psi Tensile Modulus
Specific Gravity Test Methods
Specific Gravity Test Method
1.080 Cured