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Metal adhesives
Glyptal 9620 Finishing Varnish
Categories: Other Engineering Material

Material Notes: GLYPTAL 9620 INSULATING VARNISH is a clear air-drying , insulating, and finishing varnish designed for applications where oil, moisture, and acid-resistant coatings are desired. This fast-drying, synthetic-resin-type varnish is often used as a final coat over other varnishes, giving a hard, glossy protective coating. GLYPTAL 9620 Varnish has excellent heat resistance and will operate as a finish coat at temperatures up to 130 ÂșC on an apparatus that is not flexed. Although primarily an air-drying varnish, the oil, moisture, acid, and salt water resistance are greatly improved by baking. GLYPTAL 9620 has excellent adhesion to most materials. It has excellent dip tank stability where the proper thinners are used.


GLYPTAL 9620 is suggested as a general-purpose insulating and finishing varnish for form and random-wound coils, stators, armatures, and most other types of electrical apparatuses. It is excellent for giving and oil-resistant finish coating over inexpensive asphalt varnishes

GLYPTAL 9620 has also found many uses as a fast-drying, general purpose adhesive, protective coating, and insulating varnish. It is especially suggested for treatment of small windings where air-drying or short-baking cycles are required.

GLYPTAL 9620 is compatible with systems using varnished cloth, cotton, rayon, Dacron, polyester fiber, nylon, glass tapes, laminates, slot liners and slot wedges, mica products, Irrathene, irradiated polyethylene, mylar film, oleoresinous and Formvar wire enamels, vinyl and acetate products, metals, braided wires and cables, and most other materials found in electrical equipment.

Information provided by Glyptal Inc.

Available Properties
  • Specific Gravity
  • Solids Content, Weight
  • Viscosity, MacMichael
  • Dielectric Strength, ASTM D115-55, Dry
  • Dielectric Strength, ASTM D115-55, In Water
  • Flash Point, Pensky-Martens
  • Tack-Free Time, Air Dry, 1 mil dry film
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Metal adhesives
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