Two-component Polyurethane Sealant – Needs Base
2021-1-14 · Two-component polyurethane sealant (double-component polyurethane sealant) is mainly used in the secondary sealing of hollow glass, and one-component polyurethane sealant is mainly used in the sealing of automobile. Two-component polyurethane sealant includes A component and B component, and the two components react to cure.
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