hdi closed asahikasei tpa-b80x
Date：2023-10-19 Categories：Application
type:
blocked aliphatic polyisocyanate based on hexamethylene diisocyanate
features:
# good curability
#excellent weatherability
# good storage stability
applications：
# one-component applications
# top coat for automotive oem
# primer for automotive oem
# coatings for anticorrosive plate
typical properties：
appearance
|
colorless to slightly yellowish clear liquid
|
non-volatile
|
80 wt%
|
solvent
|
xylene 20 wt%
|
blocked nco content
|
12.5 wt%
|
viscosity
|
4,800 mpa . s at 25°c
|
color value
|
<1 (gardner)
|
flash point
|
30.8°c (seta closed-cup)
|
compatibility:
mixing ratio of duranatetm tpa-b80x with polyols is based on nco/oh equivalentratio of 1/1 .
these values provide general information and are not part of the productspecifications.
curing properties:
test conditions:acrylic polyol; ohv=100 per resin
nco/oh ratio ;1.0
dbtl; 0.1 wt% per solid
