light foam catalyst/polyurethane heat-sensitive delay catalyst overview: name: polyurethane thermal delay catalyst alias：thermosensitive metal catalyst, polyurethane metal catalyst, metal catalyst, thermosensitive metal catalyst, metal delay catalyst, strong gel catalyst, light foam catalyst, polyurethane thermosensitive delay catalyst nt cate-129 is a strong gel catalyst with strong selectivity to isocyanate-hydroxyl group, good delay effect in this series...