| 摘要 |
PROBLEM TO BE SOLVED: To easily and surely prevent a wire or cable from being burned in a fire and spreading the fire as a wire spreading medium whether a fireproof sheet is new or old. SOLUTION: A fireproof sheet 3, formed when one or more each of rubber sheet 1 which is 0.1 to 3 mm thick, having an oxygen factor of 28 or more and generating 80 mg/g or more hydrogen halide gas, and metallic sheet 2 which is 25 to 200μm thick, made from a metal with a melting point of 600 deg.C or higher, are stacked and integrated together, is used to cover and surround a wire or cable.
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