... construction adhesive CS-a4 is a kind of high-powered,elastic after cured,well-sealed one- ... permanent hyperelastic materials. CS-A4 is in strengthened structure,widely used in bond and sealing of construction ... 1.Single-component,good thixotropy,convenient construction;2.High intensity,tall flexibility,good adhesiveness;3.Good resistance ... skin gum on,not solvents. high quality PU construction adhesive