construction adhesive 1. high-powered,elastic after cured; 2.well-sealed one-component ... seala construction adhesive CS-a4 is a kind of high-powered,elastic after cured,well-sealed one-component polyurethane ... ;2.High intensity,tall flexibility,good adhesiveness;3.Good resistance to water,oil,aging;4.Solvent-free,no expand and ... you hand or skin gum on,not solvents. high quality PU construction adhesive