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Polysulfide sealant polysulfide sealant system with liquid polysulfide rubber as the main material, in line with the tackifying resin, curing agents, accelerators, etc. made of reinforced sealant. Such sealant has excellent resistance to oil, hydraulic oil, water and various chemical properties and resistance to heat and atmospheric aging. Usually curable type. Press the components can be divided into two component (or three-component) and a one-component type. The processing premixed - Grinding - filling process method. Polysulfide sealant is widely used in civil construction, automobile manufacturing and other industries as caulking, sealing materials, also commonly used in various types of fuel tanks, fuel tanks, aviation machinery, composite glass seal. Applications: polysulfide insulating glass sealant is suitable for sealing, metal, concrete curtain wall joints, underground works (such as tunnels, Culvert), reservoirs, tanks and other structures waterproof seal, and the road surface, runways and other expansion joints retractable seal, patch cracks in building restoration seal.