... durability 4. Used in foundation works PVC water-stop sealing material which is made from PVC resin with various additives through mixing, ... as tunnel, culvert, diversion aqueducts, dams, liquid storage structures, underground utilities, etc.PVC plastic waterstops technical data: Test ItemIndexRigidity≥65Tensile Strength ... Strength Mpa≥10Elongation at Break %≥240 high quality PVC water-stop