一、概述超细玻璃棉是将碎玻璃熔融后用火焰喷吹的方法使其纤维化而成,纤维细度在5微米以下。这种制品具有质轻、柔软、吸声和保温性好、耐腐不燃等特点。但是,国产的超细棉毡吸水率高,弹性差,在潮湿或易冷凝结露的环境中使用受到限制。1972年11月,上海市劳动玻璃厂和上海 I. Overview Ultra-fine glass wool is made by melting the crushed glass and then flame-blowing it. The fiber fineness is below 5 microns. This kind of product has the characteristics of light weight, softness, good sound absorption and heat preservation, anti-corrosion and non-flammability. However, domestic ultra-fine cotton felts have high water absorption, poor elasticity, and are restricted from use in humid or easily condensed condensation environments. November 1972, Shanghai Labor Glass Factory and Shanghai