Dow 3-1965 Conformal Coating Datasheet Dow 3-1965 Conformal Coating

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  • Description for Dow 3-1965 Conformal Coating

    A fast room-temperature vulcanizing (RTV) or heat accelerated cure, solventless, low viscosity silicone elastomer.

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    Chemical Resistance Good
    Application Type Conformal Coat
    1 Part or 2 Part 1-Part
    Material Form Liquid, Silicone elastomer
    Industry Electronic Printed Wiring Board (PWB), Smart Meters, E-Mobility Solutions, Smart Home Devices, Flexible circuit boards, Rigid circuit boards
    Manufacturer Dow
    Chemistry Polydimethylsiloxane, Silicone elastomer, Solvent-free
    Application Method Flow: Flow coating
    Cure Method RTV, Moisture
    Cure Temperature (°C) 20 to 25, 60, 25
    Cure Time (min) Fast, 30, 2.00
    Viscosity (cPs) Low, 115
    Color Light Straw, Translucent
    Ozone Resistance Ozone resistance
    High Temperature Resistance (°C) 200
    Low Temperature Resistance (°C) -45, -55
    Volume Resistivity (O) 8.7 E14 (ohms/cm)
    Key Specifications Mil-Spec (United States Military Standard): I-46058-C: Mil I-46058C Amend 7, UL (Underwriters Laboratory), ULC (Underwriters Laboratories of Canada), NFPA (National Fire Protection Association): UL 94: UL 94 V-0, IPC (Association Connecting Electronics Industries): IPC-CC-830, Amendment 1 , IPC (Association Connecting Electronics Industries): IPC-CC-830B

  • Technical Data for Dow 3-1965 Conformal Coating

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    Overview
    • Chemical Resistance
      • Chemical Resistance - Good
    • Application Type
    • 1 Part or 2 Part
      • 1-Part
    • Material Form
      • Elastomer - Silicone elastomer
      • Liquid
    • Industry
      • Master Control Module
      • Smart Meters
      • Smart Home Devices
      • E-Mobility Solutions
      • Electronics - Electronic Printed Wiring Board (PWB), Flexible circuit boards, Rigid circuit boards
    • Chemistry
    • Application Method
      • Dispenser - Robotic dispensing, Select coating
      • Brush
      • Spray
      • Flow : Flow Coat - Flow coating
      • Dip
      • Screen Print - Automated pattern
    • Cure Method
      • Moisture / Condensation Cure - Moisture
      • RTV (Room Temperature Vulcanization) - RTV
    • Color
      • Translucent
      • Yellow - Light Straw
    • Key Specifications
      • Mil-Spec (United States Military Standard) : I-46058-C : Amd. 7 - Mil I-46058C Amend 7
      • UL (Underwriters Laboratory), ULC (Underwriters Laboratories of Canada), NFPA (National Fire Protection Association) : UL 94 : V0 - UL 94 V-0
      • IPC (Association Connecting Electronics Industries) : CC-830 - IPC-CC-830, Amendment 1
      • IPC (Association Connecting Electronics Industries) : CC-830B - IPC-CC-830B
    Specifications
    Cure Specs
    Cure Temperature (°C) 20 to 25, 60, 25 Test Method
    Cure Time (min) Fast, 30, 2.00 Test Method
    Viscosity (cPs) Low, 115
    Work / Pot Time (min) >86,400 Test Method
    Material Resistance
    Ozone Resistance Ozone resistance
    UV Resistance UV resistance
    Environmental Resistance Environmental resistance
    High Temperature Resistance (°C) 200
    Low Temperature Resistance (°C) -45, -55
    Moisture/Humidity Resistance Moisture/humidity resistance
    Conductivity
    Dissipation Factor 0.00100, <0.00020 Test Method
    Dielectric Strength (V/mil) Durable
    Dielectric Constant 2.50, 2.53 Test Method
    Volume Resistivity (O) 8.7 E14 (ohms/cm)
    Hardness
    Shore A Hardness 33
    Flexibility Flexible
    Other Properties
    Specific Gravity 0.990 Test Method
    % Solids (%) 100
    Business Information
    Shelf Life Details 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.
    Shelf Life Type From date of manufacture
    Shelf Life (mon) 12

  • Best Practices for Dow 3-1965 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.

    2. Testing

      If a substrate or material is questionable with respect to potentially causing inhibition of cure, it is recommended that a small scale compatibility test be run to ascertain suitability in a given application. The presence of liquid or uncured product at the interface between the questionable substrate and the cured gel indicates incompatibility and inhibition of cure.

  • Comparable Materials for Dow 3-1965 Conformal Coating

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    Spec Engine® Results

    • Dow
      3-1953 Conformal Coating(Dow)

      A fast room-temperature vulcanizing (RTV) or heat accelerated cure, solventless, medium viscosity silicone elastomer.

    • Dow
      SE 9186L(Dow)

      Fast tack-free, non-corrosive, room-temperature-vulcanizing (RTV) solventless silicone conformal coating; controlled volatility.

    • Dow
      Dowsil HC 2000 Conformal Coating(Dow)

      Fast tack-free, non-corrosive, room-temperature-vulcanizing (RTV) solventless silicone conformal coating; high viscosity; controlled volatility.

    • Compare All
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Cure Temperature Test Methods
Cure Temperature Cure Time Test Method
20 to 25°C Typical for a 5-mil thickness sample in 180° peel.
60°C Time to cohesive failure on a 180° peel strip. Coating strength may continue to improve with time. Thicker samples require additional cure time., To prevent bubbles or voids from forming, applications thicker than 5 mils may require a 5- to 10-minute hold time at room temperature to allow solvents to evaporate before the material is exposed to higher temperatures, 15% RH
25°C
Cure Time Test Methods
Cure Time Test Method
Fast
30 min Typical for a 5-mil thickness sample in 180° peel.
2.00 min Time to cohesive failure on a 180° peel strip. Coating strength may continue to improve with time. Thicker samples require additional cure time., To prevent bubbles or voids from forming, applications thicker than 5 mils may require a 5- to 10-minute hold time at room temperature to allow solvents to evaporate before the material is exposed to higher temperatures, 15% RH
Tack Free Time Test Methods
Tack Free Time Tack Free Temperature Test Method
Work / Pot Time Test Methods
Work / Pot Time Temperature
>86,400 min <29°C
Dielectric Constant Test Methods
Dielectric Constant Test Method
2.50 Dielectric constant, 100 Hz
2.53 Dielectric constant, 100 KHz
Dissipation Factor Test Methods
Dissipation Factor Test Method
0.00100 Dissipation factor, 100 Hz
<0.00020 Dissipation factor, 100 KHz
Specific Gravity Test Methods
Specific Gravity Test Method
0.990 Cured