Dow 4 Electrical Insulating Compound

Dow 4 Electrical Insulating Compound Datasheet
  • Description for Dow 4 Electrical Insulating Compound

    Practically nonvolatile, odorless, moisture resistant, electrically insulating, excellent rubber lubrication, excellent release and sealing properties, resistant to oxidation, essentially non-melting and shows little tendency to dry out in service.

    *See Terms of Use Below

    Application Type Lubricate, Seal
    1 Part or 2 Part 1 Part
    Material Form Grease
    Substrate Metal, Plastic, Rubber, ceramics
    Industry Battery terminals, Cable connectors, Rubber door seals, Automotive, Marine, Aircraft, SAE AS 8660, Cable connectors, Spark plug connections, Compound, Insulating resins
    Manufacturer Dow
    Chemistry Dimethyl silicone, Silicone
    Color Translucent, White
    Arc Resistance (sec) Arc Resistance
    Chemical Resistance Air, Alkalines, Dilute acids, Mineral oils, Most aqueous solutions, Vegetable oils, Water washout
    High Temperature Resistance (°C) 200
    Low Temperature Resistance (°C) -40
    Other Resistance Oxidation
    Key Specifications NSF Standard 51, FDA (U.S. Food & Drug Administration) and/or CFIA (Canadian Food Inspection Agency): FDA 21 CFR 175.300, NSF Standard 61
  • Technical Data for Dow 4 Electrical Insulating Compound

    Overview
    • Application Type
    • 1 Part or 2 Part
      • 1 Part or 2 Part - 1 Part
    • Material Form
      • Grease
    • Substrate
    • Industry
      • Marine
      • Automotive
      • Aerospace - Compound, Insulating resins, SAE AS 8660
      • Aircraft
      • Electronics - Battery terminals, Spark plug connections
      • Connectors - Cable connectors
      • Industrial - Control and pressure plug valves, Plastic O-ring, Rubber O-ring
      • Cable - Cable connectors
      • Construction Door - Rubber door seals
    • Chemistry
    • Application Method
      • Dispenser - Grease guns, High pressure dispensing equipment, Specially designed automated equipment
      • Brush - Hand, Wiping
      • Spray
    • Cure Method
      • None
    • Color
      • Translucent
      • White
    • Key Specifications
      • National Sanitation Foundation - NSF Standard 51, NSF Standard 61
      • FDA (U.S. Food & Drug Administration) and/or CFIA (Canadian Food Inspection Agency): 175.3 - FDA 21 CFR 175.300
    Specifications
    Material Resistance
    Arc Resistance (sec) Arc Resistance
    Chemical Resistance Air, Alkalines, Dilute acids, Mineral oils, Most aqueous solutions, Vegetable oils, Water washout
    Environmental Resistance Environmental resistance
    High Temperature Resistance (°C) 200
    Low Temperature Resistance (°C) -40
    Moisture/Humidity Resistance Moisture/humidity resistance
    Other Resistance Oxidation
    Conductivity
    Dissipation Factor 0.00010, 0.00020 Test Method
    Filler Inert amorphous silica
    Dielectric Strength (V/mil) 1.0 (kV/mil) Test Method
    Dielectric Constant 2.98, 3.01 Test Method
    Volume Resistivity (O) 1.1e15 (ohms/cm) Test Method
    Other Properties
    Specific Gravity 1.000 Test Method
    Business Information
    Shelf Life Details When stored in the original unopened containers this product has a usable life of 60 months from the date of production.
    Shelf Life Type From the date of production
    Shelf Life (mon) 60
  • Best Practices for Dow 4 Electrical Insulating Compound

    *See Terms of Use Below

    1. Surface Preparation

      Dow Corning 4 Compound should not be applied to any surface which will be painted or finished. Such coatings may not adhere to the silicone-treated surface. If contaminated by a silicone coating, parts can be wiped or washed with solvent, washed with detergent, or immersed in an alcoholic potassium hydroxide solution and then rinsed in clear water before painting.

    2. Application

      Dow Corning silicone compounds can be applied by hand, by specially designed automated equipment, or by brushing or wiping. When using some high pressure dispensing equipment, separation and compaction can occur. Certain designs of grease guns may seize with silicone compounds

      test prior to using.

      Where a thinner consistency is needed, the compound can be dispersed in a solvent and applied by brushing or spraying.

    3. Testing

      Because each application may vary in chemical composition, pressure, flow velocity, relubrication requirements and equipment design, the silicone compound should be tested before adopting for regular use.

  • Comparable Materials for Dow 4 Electrical Insulating Compound

    *See Terms of Use Below

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Dielectric Constant Test Methods
Dielectric Constant Test Method
2.98 CTM 0112, 100 Hz
3.01 CTM 0112, 100 kHz
Dielectric Strength Test Methods
Dielectric Strength Test Method
1.0 (kV/mil) CTM 0114, 1.27mm gap
Dissipation Factor Test Methods
Dissipation Factor Test Method
0.00010 CTM 0112, 100 Hz
0.00020 CTM 0112, 100 kHz
Volume Resistivity Test Methods
Volume Resistivity Temp (°C) Test Method
1.1e15 (ohms/cm) 23°C CTM 0249
Specific Gravity Test Methods
Specific Gravity Temperature Test Method
1.000 25°C CTM 0022