Steel butyl putty rubber waterstop is a new waterstop product which uses ordinary steel plate or galvanized steel plate, paste butyl rubber on two sides. Pasting butyl rubber is made from high-ranking rubber and various additives through the process of mixing, extruding. It can expand when exposed to water, can resistant to tear, corrosion, aging, acid, has strong self-adhesive, extensibility, good waterproof performance. It is suited for tunnels, subways, dams, culverts, water resources and hydropower engineering to waterproof and ensure the service life of project. Specification Material: butyl rubber. Steel plate: ordinary steel, galvanized steel. Width × thickness (mm): 200 × 6, 250 × 6, 280 × 6, 300 × 6, 300 × 8, 300 × 10, 350 × 8, 400 × 8, 400 × 10, 500 × 10. Length, width and thickness can be customized. Feature Expand when exposed to water. Strong self-adhesive, extensibility, good waterproof performance. Resistant to tear, corrosion, aging, acid. Non-toxic, not pollute the environment. Can withstand a certain degree of bending and pressure. The product not flow in the summer heat, and not crisp in winter cold. Construction temperature is better in the range of 15°C to 30°C. Easy to fix, convenient to construction. Long service life. Application Steel butyl putty rubber waterstop is mainly used for construction joints and deformation joints to waterproof and ensure the service life of project. It can be used in tunnels, subways, dams, culverts, water resources and hydropower engineering, basements, underground parking, swimming pools, roof, aqueducts, etc.