NT CAT 1028 is a tertiary amine catalyst for the production of polyurethane foams. It is a clear, colourless liquid with a mild odour.NT CAT 1028 is a non-acid closed delayed action catalyst for use in microporous applications where stronger back-end cure is required. It is a controlled activity catalyst for 1,4-butanediol chain-enhancing polyesters and polyether systems....