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Professional fireproof tunnel board serves as dedicated fire cladding for tunnel sidewalls and vaults. Made of high-density inorganic raw materials, it achieves A1 fire resistance and maintains stable performance under high-temperature hydrocarbon fires. It inhibits flame spread and protects tunnel concrete linings from thermal damage. This panel exhibits reliable moisture-proof, acid and alkali resistant features, resisting long-term erosion from vehicle exhaust and tunnel condensate. Its smoo...
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