... component ; 3.polyurethane building seala construction adhesive CS-a4 is a kind of high-powered,elastic after cured, ... strengthened structure,widely used in bond and sealing of construction material. product performance:1.Single-component,good thixotropy ... all kinds ofexpansion joint of buildingk,deformation joint,construction joint sealing.Suitable for various types of stone flooring,ceramics sealing ...