K-FLEX 171-90 is a chain extended version of K-FLEX 188 with low crosslinker demand. Although it is slower reacting in isocyanate crosslinked systems than K-FLEX 188, it offers improved adhesion and flexibility.

K-FLEX 171-90 is supplied 90% solids in xylene / n-butyl acetate.

Viscosity @ 25°C 3,700 cPs
Hydroxyl Number 122
Equivalent Weight, g/eq. (as supplied) 432
Formulation Advantage Pot life
Low crosslinker demand
Application Advantage Flexibility
Adhesion
Low VOC
Flow and leveling
Market Application 2K PU
Appliance
Metal decorating
Coil
Product Group Polyester diol