The difference between PVC waterstop and rubber waterstop

The PVC waterstop is the same as the rubber waterstop, and it is also divided into the back-mounted type and the middle-buried type. The difference is the material used to produce the waterstop.

The plastic waterstop has strong corrosion resistance and low temperature resistance, high tensile strength, and its service life is 3-5 times longer than that of ordinary rubber waterstops. The processing technology and rubber material are fundamentally different. The original vulcanization process and high-temperature one-time molding are cancelled. The raw material is made of natural materials and does not contain recycled components. During the processing of the rubber-plastic waterstop, the recycled components and other molecules are not. In combination, as long as it contains recycled ingredients, the product will undergo qualitative changes, and the rubber and plastic materials will not be established, so the purity of the waterstop material is high and the quality is easy to guarantee.

Plastic waterstop (PVC waterstop) is a PVC plastic waterstop material made of polyvinyl chloride resin and various additives through mixing, granulation, extrusion and other processes. This product utilizes the elastic deformation characteristics of the elastomer material to play a role in preventing leakage and seepage in the joints of the building structure. The PVC plastic waterstop has the characteristics of corrosion resistance and durability. Plastic waterstops are mainly used for foundation projects that are set in construction joints and deformation joints during concrete pouring and are integrated with concrete. Such as tunnels, culverts, diversion aqueducts, dams, liquid storage structures, underground facilities, etc.

Rubber water-stop and water-stop rubber are mainly made of natural rubber and various synthetic rubbers, mixed with various additives and fillers, and are plasticized, kneaded and pressed to form. There are many varieties and specifications, including bridge type. , Mountain type, P type, U type, Z type, B type, T type, H type, E type, Q type, etc.

The construction method of PVC waterstop is the same as that of rubber waterstop. When burying, it should be flat with the concrete interface, and the joints should be bonded and tightened. During the burying process, the concrete should be fully vibrated with appropriate force to make the It combines well with concrete for an excellent water stop.

In order to facilitate the installation of the detachable water stop, it is necessary to install the embedded bolts in advance. The embedded bolts should be fixed on the pre-buried steel plate with the steel plate water-stop in advance, and poured and embedded in the concrete. Vibrate carefully to ensure its compactness; the corner of the deformation joint should be made into a circular arc or 45° angle, and the radius of the arc should be determined according to the length of the embedded bolt, and the distance between two adjacent bolt heads will not affect the water stop The installation of the belt and the water-stop splint shall prevail; in order to prevent the bolts from being corroded, butter should be applied to the bolts or PVC sleeves should be added; During the installation process of the waterstop, the waterstop should not be pulled hard. The space between the waterstop and the plywood and the embedded steel plate should be filled with asbestos paper or soft metal sheet liner to ensure