Dow 1890 Protective Coating Datasheet Dow 1890 Protective Coating

Information provided by Gluespec
  • Description for Dow 1890 Protective Coating

    One-part, protective silicone rubber coating for motors and electrical equipment.

    *See Terms of Use Below

    Application Type Coat, Seal
    1 Part or 2 Part 1-Part
    Material Form Thick Liquid
    Substrate Glass, Painted metal, Wood, Unpainted metal
    Industry Electrical equipment, Threaded studs, Transformers, Connectors, Smart Home Devices, Food processing plants, Quarries, Power Tools, Motors, Mines, Fan motor for a farm tractor, Insulated motor windings
    Manufacturer Dow
    Chemistry Silicone rubber
    Cure Method Moisture
    Cure Temperature (°C) 20 to 25, 25
    Cure Time (min) 10,080
    Viscosity (cPs) 40,000
    Color Gray
    High Temperature Resistance (°C) 177, 204
    Low Temperature Resistance (°C) -59
    Volume Resistivity (O) 2e15 (ohms/cm)
    Key Specifications FDA (U.S. Food & Drug Administration) and/or CFIA (Canadian Food Inspection Agency): FDA 21 CFR177.2600
  • Technical Data for Dow 1890 Protective Coating

    Overview
    • Application Type
    • 1 Part or 2 Part
      • 1-Part
    • Material Form
      • Liquid - Thick Liquid
    • Substrate
    • Industry
      • Mechanical Fastening Parts - Threaded studs
      • Food & Beverage - Food processing plants
      • Other Transportation - Bus bars
      • Smart Home Devices
      • Electronics - Electrical equipment
      • Transformers
      • Connectors
      • Industrial - Dye houses, Fertilizer plants, Formed-steel split housing, Insulator pins, Splices, Taconite mills, Tanneries
      • Mines and Quarries - Quarries, Mines
      • Power Tools
      • Motors - Insulated motor windings, Fan motor for a farm tractor
      • Construction - Cement plants
      • Packaging - Bottling plants, Packing, Paper mills
      • Drug/Pharmaceutical - Dairies
      • Furniture / Wood-Working - Wooden pole tops
    • Chemistry
    • Application Method
      • Brush - Stiff-bristle nylon brush
      • Spray
    • Cure Method
      • Moisture / Condensation Cure - Moisture
    • Color
      • Gray
    • Key Specifications
      • FDA (U.S. Food & Drug Administration) and/or CFIA (Canadian Food Inspection Agency) : 177.2600 - FDA 21 CFR177.2600
    Specifications
    Cure Specs
    Cure Temperature (°C) 20 to 25, 25 Test Method
    Cure Time (min) 10,080 Test Method
    Viscosity (cPs) 40,000
    Tack Free Time (min) 25
    Work / Pot Time (min) 15
    Material Resistance
    UV Resistance UV resistance
    Environmental Resistance Environmental resistance
    High Temperature Resistance (°C) 177, 204
    Low Temperature Resistance (°C) -59
    Moisture/Humidity Resistance Excellent
    Conductivity
    Dissipation Factor 0.00007, 0.00018 Test Method
    Dielectric Constant 2.50, 2.50 Test Method
    Volume Resistivity (O) 2e15 (ohms/cm) Test Method
    Hardness
    Shore A Hardness 21, Good
    Flexibility Flexible
    Other Properties
    Flash Point (°F) 50.0
    Business Information
    Shelf Life Details When stored at 90°F (32°C), Dow Corning 1890 Protective Coating has a shelf life of 12 months from date of manufacture. Refer to product packaging for “Use By” date.
    Shelf Life Type From date of manufacture
    Shelf Life (mon) 12
    Not Good For
    Don't Use With Concrete, Brick, Mortar, Other masonry surfaces, Paints, Impregnated woods, Oil-based caulks that bleed oils, Polyethylene, Polypropylene, Methylmethacrylate, Copper, Brass, Zinc, Carbon steel, Galvanized iron, Magnesium
  • Best Practices for Dow 1890 Protective Coating

    *See Terms of Use Below

    1. Surface Preparation

      Clean and dry all surfaces to be coated before applying this coating.

    2. Application

      Dow Corning 1890 Protective Coating can be applied as received by brushing on with a stiff-bristle nylon brush. If spraying is preferred, this dispersion can be thinned with VM&P naphtha to provide the optimum viscosity required for spraying equipment. Only normal brushing or spraying techniques are needed.

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    *See Terms of Use Below

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Cure Temperature Test Methods
Cure Temperature Cure Time Test Method
20 to 25°C
25°C As Cured 7 days at 77°F (25°C) and 50% RH
Cure Time Test Methods
Cure Time Test Method
10,080 min As Cured 7 days at 77°F (25°C) and 50% RH
Dielectric Constant Test Methods
Dielectric Constant Temperature Test Method
2.50 25°C 100 Hz, As Cured 7 days at 77°F (25°C) and 50% RH
2.50 25°C 100 kHz, As Cured 7 days at 77°F (25°C) and 50% RH
Dielectric Strength Test Methods
Dielectric Strength Temperature Test Method
Dissipation Factor Test Methods
Dissipation Factor Temperature Test Method
0.00007 25°C 100 Hz, As Cured 7 days at 77°F (25°C) and 50% RH
0.00018 25°C 100 kHz, As Cured 7 days at 77°F (25°C) and 50% RH
Volume Resistivity Test Methods
Volume Resistivity Temp (°C) Test Method
2e15 (ohms/cm) 25°C As Cured 7 days at 77°F (25°C) and 50% RH