K-FLEX UD-320-100 is an aliphatic, low molecular weight urethane diol oligomer, supplied at 100% solids. It is recommended as a chemical intermediate for prepolymer synthesis and allows the incorporation of aliphatic urethane groups without the use of isocyanates.
Good chemical resistance
Good Exterior durability
Excellent hydrolytic stability
Good QUV resistance
Appearance: Viscous, clear liquid
% Active: 100
Viscosity, cPs, 50°C: 7,000
Hydroxyl number: 350
Hydroxl equiv. weight: 160
Weight per gallon, 25°C: 9.5 lbs.
Moisture content, %: 0.02
Soluble in most organic solvents with the exception of aromatic and aliphatic hydrocarbons. Aromatic solubility can be achieved in combination with a hydrogen bonding solvent.
Recommended as a chemical intermediate or as a resin modifier for all types of melamine or isocyanate crosslinked coatings:
Screen Printing Ink
TYPICAL USAGE LEVELS:
5-25% replacement of primary backbone resin