DMAPA Curing Agent: Dosage, Pot Life and Blush Control
DMAPA curing agent is a colourless primary amine, N,N-Dimethyl-1,3-propanediamine (CAS 109-55-7), that also carries a tertiary nitrogen. Its theoretical AHEW is 51.1 g/eq, so a liquid bisphenol A resin of EEW 190 needs about 27 phr, and …