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Hexamethylene Diisocyanate Curing Agent for Urethanes
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Low-viscosity grades The low-viscosity trimer that matches standard trimers in gel fraction and weatherability.
Grade Solids
(wt%)
NCO
(wt%)
Viscosity
(mPa・s, 25°C)
Solvents
contained
Special
properties
TLA-100 100 23.5 500 --- High NCO
Weatherability
Low viscosity

Coating* gel fraction, with TLA
Compared with standard HDI trimer


Coating* hardness, with TLA
Compared with standard HDI trimer


Coating* weatherability, with TLA
Compared with HDI biuret, standard HDI trimer, and TMP-HDI adduct:
by Super Xenon accelerated weathering with 63°C black panel and 180 W/m2 irradiation.

*Formulation: TLA and acrylic polyol (Setalux 1903); NCO/OH = 1.0.
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