PVC Waterstop and Rubber Waterstop
PVC waterstop is made from polyvinyl chloride resin and chemical additives, which is one kind of thermoplastic product goes through the process of mixing, prilling and extrusion.
Rubber waterstop is made from natural rubber or synthetic rubber, which is goes through the process of mixing, plasticating and extrusion.
PVC waterstop and rubber waterstop are commonly used in the construction projects to stop water leakage. In general, they are not much difference in usage. But in some tunnel engineering projects which are required external waterstop welding with the waterproofing panels, there is just PVC waterstop can be used.