Product details



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WANNATE®HT-790B is an aliphatic polyisocyanate based on hexamethylene diisocyanate (HDI), colorless to slightly yellowish clear liquid, the solids content of which is 90%.
Typical Properties
NCO content / %:17.8±0.5
Color value(Pt-Co): ≤40
Viscosity (25 ℃)/mPa•s:1800±700
Monomeric HDI /%: ≤0.30
Solids /%:90±1
Solvent: butyl acetate(BA)
Aliphatic structure without chromogenic groups:
Outstanding weathering resistance, excellent gloss and color retention ability.
Stable molecular structure:
Excellent mechanical performance and chemical resistance.
Favorable intermolecular forces:
Good dilution stability, low viscosity, easy to apply.

Wannate® HT is a class of HDI polyisocyanates including Wannate® HT-100, HT-90B/90BS and HT-75B/75BS, which are polymeric materials containing isocyanurate rings. Wannate® HT-90B/90BS and HT-75B/75BS are 90% and 75%solids versions of HT-100 supplied in various solvents. The portfolio also includes the fast drying polyisocyanate Wannate® HT-790B and the low viscosity polyisocyanate Wannate® HT-600.It is widely used in automotive refinish,auto OEM, rail traffic paint, wood coating and plastic coating, etc.

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