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Hexamethylene Diisocyanate Curing Agent for Urethanes
HOME Standard Fast-drying High-flexure Low-polar solvent compatible
Bifunctional・Monomeric Low-viscosity Blocked-isocyanate Water-dispersible typical characteristics
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Standard grades Superior weatherability, functionality, and performance in polyurethane paints and coatings.
Grade Type Solids
(wt%)
NCO
(wt%)
Viscosity
(mPa・s, 25°C)
Solvents
contained
Special
properties
24A-100 Biuret 100 23.5 1.800 --- High NCO
Low viscosity
High adhesion
22A-75PX 75 16.5 210 PMAa
Xylene
Adhesion
TPA-100 Isocyanurate
(trimer)
100 23.1 1.400 --- High NCO
High weatherability
Resin compatibility
TPA-90SB 90 20.9 310 SNb
n-Butyl acetate
TKA-100 100 21.7 2,600 --- High weatherability
Resin compatibility
TKA-90SB 90 20.0 600 SNb
n-Butyl acetate
aPropyleneglycol monomethylether acetate. bSolvent naphtha.

Excellent gloss and color retention – unattainable with any TDI- or XDI-based polyisocyanate.

Gloss retention


Color retention


NCO reaction rate in coating with 24A-100, at 10°C~90°C

NCO reaction on coating (24A-100)
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