PEL-CAT 9640-A is a moderately active trimerization catalyst used in a wide variety of rigid polyurethane and polyisocyanurate foam and non-foam applications. It improves dimensional stability in many rigid foam systems and is a useful co-catalyst in rigid spray foam. PEL-CAT 9640-A belongs to what is known as the group of gel catalysts. It is recommended for use as a co-catalyst with other polyurethane and polyisocyanurate catalysts, particularly in formulations with an isocyanate index greater than 110. It has reduced trimerization activity, as compared with stronger catalysts like PEL-CAT 9540-A and PEL-CAT 9807.
Trade Name: PEL-CAT (Catalysts)
CAS Numbers: 15875-13-5
Chemical Descriptions: Tris(Dimethylaminopropyl) Hexahydrotriazine
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