Technical datasheet

FEISPARTIC® F423

Supplied byShenzhen Feiyang Protech- Last Updated on Nov 17, 2025

FEISPARTIC® F423 by Shenzhen Feiyang Protech is a polyaspartic resin and solvent-free amino-functional co-reactant for polyisocyanates. It has high purity and very low content of diethyl fumarate. It exhibits low viscosity and is suitable for high-solid or solvent-free coatings. It has high reactivity, which helps improve production efficiency, and reacts with HDI Trimer to dry within 15 minutes.
  • It forms coating films with excellent fullness, leveling performance and high gloss.
  • It provides outstanding resistance to weather, water, solvents, acids, alkalis and salt spray, with hardness up to 2H and excellent abrasion resistance.
  • It offers excellent adhesion to ABS, PC, PVC, other plastics and various metals.
  • It has excellent compatibility with most hydroxy acrylic resin and cab.
  • It can be used with elastic curing agents to produce flexible materials with excellent mechanical properties (elongation up to 400%, tensile strength of 25 MPa).
  • It can also be used with rigid curing agents such as HDI Trimer (or dimer) to form rigid films with a hardness of 2H.
  • It can serve as a chain extender or R component in Spray Polyurea Elastic (SPUA) systems.
  • It can be used in making anti-corrosion coatings for steel structures, oil pipelines and other light or heavy anti-corrosion fields.
  • It is suitable for use in various high-grade paint fields, including automobile and wood paints, where it improves fullness, gloss, hardness and drying speed.
  • It is also suitable for wind blade coating applications such as gel coats, putty, and topcoats.
  • It can be used for foam landscape materials, concrete waterproof coatings, and similar fields.
  • FEISPARTIC® F423 has a shelf life of 12 months.
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FEISPARTIC® F423 properties

Other properties

PropertiesValue & unitTest conditionTest method
Amine Hydrogen Equivalent Weight (AHEW)0.0 Visible After LoginVisible After LoginVisible After Login
Amine Number0.0 Visible After LoginVisible After LoginVisible After Login
Color, APHA0.0 Visible After LoginVisible After LoginVisible After Login
Diethyl fumarate Content0.0 Visible After LoginVisible After LoginVisible After Login
Hydroxyl Equivalent Weight (HEW)0.0 Visible After LoginVisible After LoginVisible After Login
Solid Content0.0 Visible After LoginVisible After LoginVisible After Login
Specific Gravity0.0 Visible After LoginVisible After LoginVisible After Login
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