Features: EPDM as raw material, the surface smooth and detailed, good elasticity, good foam evenly, waterproof performance of first-class, anti-ozone, anti-aging, solvent resistance are good. EPDM / rubber / foam products: a polyethylene foam rubber expansion joint plate openings (. Caulk board caulking board) (a) Product Features ▲ light weight, high strength stretching, does not absorb water (instead of the traditional The three oil four felt, asphalt cedar wood panels and other materials). Environmental protection products, simple construction, seepage, leakage, good sealing effect. ▲ corrosion resistance, aging resistance, high temperature + 80 ℃ ~ -45 ℃ not flowing, no distortion, no rattle, long service life. ▲ with independent air bubble structure, a special type of joint appearance of honeycomb plate holes evenly distributed, you can not fight hair and cement / adhesive sealant tightly integrated, adapt to the natural expansion and contraction of change, enhance joint sealing expansion of the sealing effect. (B) the application of the product can be widely used in machinery, doors, windows, walls, rivers, dams, ports, docks, underground cave Chung, water power, airports, bridges and other engineering concrete sealing seams. (C) the construction of the product according to the situation using a variety of methods can use the product to use. Longitudinal sealing seam, horizontal seam sealing joints and other special use