nt cat a-239 is a tertiary amine catalyst used in the production of polyurethane foams. it is a clear, colorless liquid with a mild odor. nt cat a-239 is miscible with water, alcohols, and ketones. nt cat a-239 has a flash point of 100 °f (38 °c) and a vapor pressure of 0.1 mmhg at 25 °c. nt...

nt cat a-239 is a tertiary amine catalyst used in the production of polyurethane foams. it is a clear, colorless liquid with a mild odor. nt cat a-239 is miscible with water, alcohols, and ketones. nt cat a-239 has a flash point of 100 °f (38 °c) and a vapor pressure of 0.1 mmhg at 25 °c. nt...