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1. Function
Filling joints, waterproof, airproof, soundproof, and adapting to joint displacement.
2. Application scenarios
1) Building curtain wall: glass, aluminum plate joints (weather resistance required).
2) Door and window installation: sealing of gaps between frames and walls.
3) Roads/bridges: concrete joints (such as expansion joint surface sealing)
40 Industrial facilities: pipeline and tank sealing.
3. Types
Polyurethane sealant (wear-resistant, suitable for road joints), polysulfide sealant (oil-resistant, solvent-resistant, used for airport runways), silicone sealant (high elasticity, UV-resistant, used for curtain walls).
