Sika polysulphide is a cross linking polysulphide based elastic sealant for verticaland horizontal expansion joints. It functions as a means to in both vertical and horizontal expansion joints in many types of buildingsand civil engineering constructions such as retaining walls underpasses and tunnels precast concrete elements bridges high and low rise buildings and wherever a permanently flexible seal is required easy to useeconomicalexcellent adhesion with sag in, Many materialsnon vertical and overhead jointsgood chemical resistancepermanently elastictestsapproval / standardsconfirms to bs 4254 1983confirms to bs 5212, 1990confirms to is 12118 part 1 & 2 1987confirms to astm c 920 1987 type m grade ns class 25product dataformappearance/colour grey, Pastepackaging 4 kg component a = 3. 68 kg, Component b = 0. 32 kg