XB1968:
Appearance light yellow granule
Color(50%DMF liquid) <<2
Acid number(mgKOH/g) 28-36
Softening point (Ring& Ball) 110-120
Vitrification temperature(℃) 62-66
ICI viscosity(
XB2968:
Appearance light yellow granule
Color( 50%DMF liquor) <<3
Acid number(mgKOH/g) 27-32
Softening point (Ring& Ball) 110-122
Vitrification temperature (℃) 63-66
ICI viscosity(
XB3968:
Appearance light yellow granule
Color( 50%DMF liquor) <<3
Acid value(mgKOH/g) 32-38
Softening point (Ring& Ball) 110-122
Vitrification temperature(℃)63-66
ICI viscosity(