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市场常用风管保温芯材防火等级问题回复
标签:
根据我司市场部统计,大量客户咨询我司风管情况时都会问到产品防火等级问题,现予以汇总,并统一整理回复,欢迎广大合作伙伴继续关注我司优良产品情况。(防火级别参照GB 8624)
彩钢玻纤复合风管保温芯材是一种人造无机纤维,具有成型好、体积密度小、热导率彽、保温绝热、吸音性能好、耐腐蚀、化学性能稳定等特点。其防火级别为不燃A1级,整体耐火性能可达2小时。
彩钢酚醛复合风管保温芯材是一种有机硬质泡沫材料,酚醛就是苯酚和甲醛的发泡物。具有导热系数低、质量轻、隔音、抗震、阻燃、节能、施工简单、维护方便、经济实用等特点。其防火级别为阻燃B级,不适用于防排烟。
彩钢聚苯复合风管保温芯材是一种有机硬质泡沫材料,与酚醛板有类似特点,其防火级别为阻燃B级,不适用于防排烟。