desmodur n3390 ba/sn hdi trimer curing agent standard light-resistant curing agent
type aliphatic polyisocyanate (hexamethylene diisocyanate trimer) supply form about90%butyl acetate/100no. solvent naphtha oil (1：1) solution purpose used as lightfast polyurethane coating curing agen…
desmodur n3390 ba/sn hdi trimer curing agent standard light-resistant curing agent
type aliphatic polyisocyanate (hexamethylene diisocyanate trimer) form of supply about90%butyl acetate/100solvent naphtha oil (1:1) solution purpose used as light-resistant polyurethane coating curing…
