The core advantage of this keel is its excellent fire resistance performance, with the intumescent fireproof coating forming a dense carbon layer within 30 seconds when exposed to open fire, effectively blocking the transfer of heat and preventing the spread of fire. The 0.7mm thick high-strength steel sheet and square C-shaped cross-section design enhance the structural stability under high temperature conditions, avoiding structural collapse during fire accidents. The G110 grade galvanized base layer provides additional corrosion resistance, ensuring long-term service life while meeting fire protection requirements.
Material: Fire-retardant coated cold-rolled steel sheet with a thickness of 0.7mm; Cross-section: Square C-shaped with 16mm flange width and 65mm web height; Available standard lengths: 3000mm and 5000mm; Surface treatment: Intumescent fireproof coating; Compliance with NFPA 285 standard; Fire resistance rating: 90 minutes; Load-bearing capacity: 60kg per linear meter; Package: Bundled in 35 pieces per pallet; Weight per piece: Approximately 1.3kg.
Mainly applicable to high-rise commercial office buildings, cinema halls, hospital operating areas, school teaching buildings, and other places with strict fire protection requirements. It is suitable for matching with fire-resistant gypsum boards, mineral wool fireproof panels, and other fire-proof decorative materials, providing a fire-resistant support frame for interior partition walls and ceilings. It can effectively improve the fire safety level of building interior decoration projects.
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