... Form board rubber sheet Material EPDM.EVA,TPE,PE,PVC water tight and easy to use. Form board rubber ... , construction, machinery, footwear, packing, electronics, and other industries. Water tightness of railways, highways and tunnels. Underground engineering (culverts, subways ... , basements, mine channels and so on) water conservancy projectNOTE: You own design or drawings are welcome. ...