Year1
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b: > : ><>Magnetic Magnesium
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: >1. Smoke-proof and exhaust-proof air ducts
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: ><>Smoke-proof and exhaust-proof air ducts meet fire protection requirements<<> grade, with the advantages of light weight, convenient construction and high cost performance.
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: >2. Insulated air duct
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: ><>, fireproof <<> grade insulated air duct , fireproof <<> grade insulation air duct is a composite product made of inorganic cotton and glass magnesium flat plate. It has excellent fire resistance and has certain thermal insulation capabilities.
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: ><>, fire-proof
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: >3. Iron-wrapped air duct. Iron-wrapped air duct is a layer of glass-magnesium flat plate wrapped around the hoisted iron air duct to improve fire resistance and anti-corrosion. performance. Generally, when iron air ducts need to be fireproof <<> and <<>, they are covered with glass magnesium boards of corresponding thickness as the fireproof layer.
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