Dow Sylgard HVIC+

Dow Sylgard HVIC+ Datasheet
  • Description for Dow Sylgard HVIC+

    Protective coating for high-voltage insulators.

    *See Terms of Use Below

    Brand Sylgard
    Application Type Pot, Encapsulate
    1 Part or 2 Part 1 Part
    Material Form Liquid
    Manufacturer Dow
    Chemistry Silicone
    Cure Method Heat
    Cure Time (min) 120 to 360
    Viscosity (cPs) Pourable
    Arc Resistance (sec) Dry Arc resistant
  • Technical Data for Dow Sylgard HVIC+

    Overview
    • Application Type
    • 1 Part or 2 Part
      • 1 Part or 2 Part - 1 Part
    • Material Form
      • Liquid
    • Chemistry
    • Application Method
      • Brush
      • Spray
      • Dip
    • Cure Method
      • Heat
    • Brand
      • Sylgard
    Specifications
    Cure Specs
    Cure Time (min) 120 to 360
    Viscosity (cPs) Pourable
    Tack Free Time (min) 30 Test Method
    Material Resistance
    Arc Resistance (sec) Dry Arc resistant
    Conductivity
    Dissipation Factor 0.02400 Test Method
    Dielectric Strength (V/mil) 556 Test Method
    Dielectric Constant 3.60 Test Method
    Other Properties
    Specific Gravity 1.219 Test Method
    Flash Point (°F) 105.8
    % Solids (%) 75
    Business Information
    Shelf Life Details When stored at or below 32°C (90°F) in the original unopened containers, this product has a usable life of 12 months from the date of production. When using SYLGARD HVIC+ from a previously opened container, any cured skin must be removed from the surface.
    Shelf Life Type from the date of production
    Shelf Life (mon) 12
  • Best Practices for Dow Sylgard HVIC+

    *See Terms of Use Below

    1. Surface Preparation

      SYLGARD HVIC+ should be applied in several coats over a clean, dry surface. A surface previously coated with a silicone grease should be cleaned thoroughly before applying the coating.

    2. Application

      Before use, SYLGARD HVIC+ should be thoroughly agitated on a paint shaker or can roller to ensure uniformity. SYLGARD HVIC+ should be applied in several coats over a clean, dry surface. Any surface previously coated with a silicone grease should be cleaned thoroughly before applying the coating. Surfaces other than glass or porcelain may require use of a primer to ensure adhesion. Consult Dow Corning Technical Service and Development for primer recommendations. SYLGARD HVIC+ can be reapplied to previously coated surfaces after pressure water washing. The product is normally spray applied, but can be applied by brushing or dipping. An average dry thickness of 20mils (0.020 inch) is recommended on insulators. Several sprayed coats are needed to attain this average. Depending on temperature and humidity, full cure takes 2 to 6 hours. Additional coats can be applied after 20 to 30 minutes. For dilution, a high flash point >38°C (>100°F) naphtha spirits solvent is recommended. Acceptable solvents include Kwik Dri Naphtha Spirits 66 from Ashland Chemical and Solvent recommendations can be obtained from Dow Corning.

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Tack Free Time Test Methods
Tack Free Time Test Method
30 min CTM 0095
Dielectric Constant Test Methods
Dielectric Constant Test Method
3.60 CTM 0112
Dielectric Strength Test Methods
Dielectric Strength Test Method
556 V/mil CTM 0114
Dissipation Factor Test Methods
Dissipation Factor Test Method
0.02400 CTM 0112, ASTM D150
Specific Gravity Test Methods
Specific Gravity Test Method
1.219 CTM 0001A