K-KAT 6212
K-KAT 6212 is an effective catalyst for the reaction of isocyanate with hydroxyl groups. It is a zirconium chelate complex dissolved in a reactive diluent.
ADVANTAGES:
Excellent cure response
Excellent exterior durability
Does not contribute to the hydrolysis of polyester resins
Short tack free time
High selectivity for -NCO/OH reaction over -NCO/water reaction
Pot life adjustable with stabilizer
TYPICAL PROPERTIES:
Appearance: Clear, straw liquid
% Active (metal chelate): 2
Specific gravity, 25°C: 0.98 g/ml
SOLUBILITY:
Soluble in alcohols, esters, ketons, glycol ethers, glycol ether acetates, aromatic and aliphatic hydrocarbons. Limited solubility in water.
APPLICATIONS:
Polyurethane coatings, adhesives, RIM, casting resins and polyurethane resin synthesis, water-borne two component coatings.
TYPICAL USAGE LEVELS:
0.3 - 2.0% as supplied on total resin solids.