Rubber is elastomeric material which is available in many types like Natural Rubber, Butyl Rubber, Neoprene, Ebonite etc etc.  It is available in various thicknesses in sheet. Lining is done by pasting with suitable glue & joint weld. On vulcanisation, it attains good hardness. Rubber lining can be used as protection layer or a membrane also.

PVC is a thermoplastic material & is resistant to wide range of chemicals but it posses poor mechanical strength.