Polysulfide sealant refers to liquid polysulfide sealant as the base, which can be vulcanized at room temperature to become an elastic sealing material with good adhesion. The auxiliary materials include tackifying resin, vulcanizing agent, accelerator, and reinforcing agent. Two-component polysulfide sealant has good adhesion and resilience, is suitable for sealing joints of long-term water-immersed buildings, and has a very strong bond with concrete. It is often used in underground waterproof joints, runways, storage tanks, sewage pools, and large-scale water conservancy projects all use polysulfide sealants.
Two-component polysulfide sealant can maintain good air tightness and waterproofness under continuous expansion, vibration and temperature changes. It is also oil and solvent resistant, has a long service life, and has excellent anti-leakage characteristics.
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