K-FLEX UD-320-100
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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.
ADVANTAGES:
Lower VOC
Increased hardness
Good chemical resistance
Isocyanate free
Good Exterior durability
Excellent hydrolytic stability
Good QUV resistance
Solvent free
TYPICAL PROPERTIES:
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
SOLUBILITY:
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.
APPLICATIONS:
Recommended as a chemical intermediate or as a resin modifier for all types of melamine or isocyanate crosslinked coatings:
Automotive
Paper
Wood
Screen Printing Ink
Leather
TYPICAL USAGE LEVELS:
5-25% replacement of primary backbone resin