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    • Insulating Varnishes

      Advanced Performance... Advanced Protection

      Sprayon® Insulating Varnishes impregnate and insulate electrical and electronic work to protect against oils, moisture, acids and alkalis. Our formulas penetrate oil and new windings, and adhere remarkably well. Sprayon Insulating Varnishes air-dry faster than most insulating materials with excellent flexibility and water resistance and they can also be baked for faster cure rate and maximum hardness. Available in Clear, Red & Green colors our Insulating Varnishes meet performance requirements of ASTM D 115-07 4.2 & Class F Requirements (see below).

      Scroll down to learn more about the Sprayon Insulating Varnish Program and if you have any further questions or would like an in-person demo, give us a call (800-SPRAYON) or click to send us a note.

    • quick look

      USES
      Motor Windings
      Field Coils
      Transformers
      Armatures
      Commutator Ends
      Starter Windings
      Ring and Frames
      Bus Bars
      Sealing Electrical Switchboard Parts and Electronic Components
      PROPERTIES
      BASE
      Epoxy / Phenolic
      Air Dry
      Yes
      Sheen
      Semi-Gloss
      % SOLIDS
      AEROSOL
      22.83%
      % SOLIDS
      Bulk
      61.70%
      % VOC
      AEROSOL
      55.17%
      VOC
      BULK
      418.31 g/l (3.49 lb/gal)
    • Performance Testing

      ASTM D 115-7 4.2 PERFORMANCE
      Specifications
      4.2.1 Drainage
      22%
      4.2.2 Drying Time
      See drying schedule
      4.2.3 Build
      2.9 mm
      4.2.8 Chemical & Oil Resistance
      Aliphatic Hydrocarbon Solvents
      Moderate
      Alkalis
      Moderate
      Aromatic Hydrocarbon Solvents
      Severe
      Chlorinated Solvents
      Severe
      Salt Water
      Severe
      Glycol Ethers, Alcohols
      Severe
      Inorganic Acids
      Severe
      Organic Acids
      Severe
      Oils
      Severe
      Dilectric Strength
      (ASTM D 115-07)
      Hardness & Flexibility
      One Week Hardness (ASTM D 3363 SHORE A 24hr / 1 week)
      6B
      Flexibility (ASTM D 522)
      Pass
      DRYING SCHEDULE
      Drying Time Aerosol @ 70°F @ 50% R.H.:
      To Touch:
      10-15 Minutes
      To Handle:
      30 Minutes (Tack Free)
      Full Cure:
      7 Days
      Drying Time Bulk @ 70°F @ 50% R.H. 1mil wft:
      To Touch:
      10 Minutes
      To Handle:
      1 Hour (Tack Free)
      Full Cure:
      7 Days
      NOTE: Curing can be accelerated by baking for 1 hr @ 300°F
      Recoat
      Anytime
      Temperature Class
      Class F
      310°F (155°C)
      Dry Heat Resistance
      Constant
      310°F (154°C)
      Intermittently
      400°F (204°C)