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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 |
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Coating* hardness, with TLA |
Compared with standard HDI trimer |
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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.
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*Formulation: TLA and acrylic polyol (Setalux 1903); NCO/OH = 1.0. |
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