Technical datasheet

FEISPARTIC® F420

Supplied byShenzhen Feiyang Protech- Last Updated on Jan 7, 2026

FEISPARTIC® F420 by Shenzhen Feiyang Protech is a solvent-free, low viscosity amino functional co-reactant for polyisocyanates. Provides high reactivity to improve the production efficiency. Offers high hardness up to 2H, excellent fullness, leveling performance and high gloss. It has excellent abrasive0, weather-, water resistance, solvent-, acid and alkali-, salt spray resistance and other properties.
  • Excellent adhesion with ABS, PC, PVC and other plastics and a variety of metals.
  • It has excellent compatibility with most of hydroxy acrylic resin and cab.
  • It work as chain extender or R component in Spray Polyurea Elastic(SPUA).
  • It is used for various high-grade paint fields, such as automobile paint, high-grade wood paint and so on.
  • It can obviously improve the fullness, luster, hardness of paint film and speed up the drying.
  • It is also used to make anti-corrosion coatings for steel structure and oil pipeline.
  • FEISPARTIC® F420 is suitable for wind blade coating field, such as gel coat, putty and topcoats.
  • It has a shelf life of 12 months.
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FEISPARTIC® F420 properties

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PropertiesValue & unitTest conditionTest method
Amine Hydrogen Equivalent Weight (AHEW)0.0 Visible After LoginVisible After LoginVisible After Login
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Hydroxyl Equivalent Weight (HEW)0.0 Visible After LoginVisible After LoginVisible After Login
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