HDI Diourea WanHua HB-75MX
Application:
WANNATE® HB-75MX (solution of 1,6-hexamethylene diisocyanate based biuret polyisocyanate) is an aliphatic biuret polyisocyanate based on hexamethylene diisocyanate (HDI) and dissolved in 25% of 1-methoxy-2-propyl acetate (MPA) and xylene (1:1), colorless to slightly yellowish clear liquid.
Equivalent Weight |
~ 255 |
Density at 25 ℃ |
~ 1.07 g/cm3 |
WANNATE® HB-75MX can be used as the hardener component for lightfast two-component polyurethane coatings with high resistance to chemicals and weathering, very good gloss retention and outstanding mechanical properties.
The main applications for coatings based on WANNATE® HB-75MX are automotive refinishing, transportation, industrial finishing and plastics.
Specification:
Properties |
Unit |
Specification |
NCO Content |
% |
16.2 ~ 16.8 |
Solids |
% |
74.0 ~ 76.0 |
Viscosity at 25℃ |
mPa·s |
150 ~ 300 |
Chromatic Number |
APHA |
≤ 40 |
HDI Content |
% |
≤ 0.5 |
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