... plate, and rubber fender, rubber waterstop belt,etc.Waterproof material Rubber beltRubber waterstop belt uses natural rubber and various kinds ... and pressing.1.Raw materials: natural rubber, synthetic rubber2.Types: steel rim rubber waterstop belt, water-swelling waterstop ... , Self sticking waterstop belt, etc.Steel rim rubber waterstop beltBack sticking waterstop beltwater swelling waterstop belt3. ...