布風管按照防火性能作比較時間:2022-01-04
布(bu)(bu)風(feng)(feng)管(guan)(guan)按照防(fang)火性(xing)(xing)能(neng)作(zuo)比較鍍鋅薄鋼(gang)板(ban)風(feng)(feng)管(guan)(guan):不燃,但其實際(ji)的(de)防(fang)火性(xing)(xing)能(neng)視保溫層而定。無機玻(bo)璃鋼(gang)風(feng)(feng)管(guan)(guan):同(tong)鍍鋅薄鋼(gang)板(ban)風(feng)(feng)管(guan)(guan)。復合玻(bo)纖(xian)板(ban)風(feng)(feng)管(guan)(guan):外(wai)層為鋁箔,以(yi)不燃性(xing)(xing)玻(bo)璃纖(xian)維(wei)棉板(ban)為基材,防(fang)火性(xing)(xing)能(neng)較好。布(bu)(bu)風(feng)(feng)管(guan)(guan):布(bu)(bu)風(feng)(feng)管(guan)(guan)的(de)防(fang)...
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布風管按照防火性能作比較