K-FLEX XM-391
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K-FLEX XM-391 is a solvent free, hydroxyl functional, aliphatic, saturated polyester diol, for use in high solids solvent based industrial coatings. It is recommended as a reactive modifier for amino or blocked isocyanate crosslinked coatings. K-FLEX XM-391 was designed to be approvable for packaging coatings under FDA 175.300 for direct contact with foods. K-FLEX XM-391 is a semi-solid at toom room temperature. It will melt clear at 65°C and then super-cool clear for a few hours before crystallizing again.
ADVANTAGES:
Lower VOC
Flexibility
Adhesion
Approvable under FDA 175.300
TYPICAL PROPERTIES:
Appearance White semi-solid
Active content, wt.% 100
Diluent None
Viscosity, cP, 25° C 9,640 (after gentle warming at 65ºC)
Hydroxyl number (on solids) 227
Specific Gravity, 25°C 1.092
Hazen color 46
SOLUBILITY:
Soluble in Xylene, THF
APPLICATIONS:
Can coatings
Primers
Basecoats
Topcoats
Inks
Overprint varnishes