... Foam sheet (Material:EPDM,PE,EVA,PVC,EPE...) light weight,strength flexibility, non-absorbent Corrosion and aging resistance Qinghe Rubber Seal Co,Ltd Foam ... Rubber/ BoardMaterial:EPDM,PE,EVA,PVC,EPE....Characters:1.Light weight, strength ... tunnels, ponds and dams) The specification and the packing requirement can be customized according to customers' drawings , ...