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氧化鋁空心球制品是采用氧化鋁空心球?yàn)橹饕希咝阅軇傆窦?xì)粉為添加劑，成型干燥后，在1750℃高溫窯爐中燒制而成。氧化鋁空心球制品具有耐高溫，密度小，導(dǎo)熱系數(shù)低，保溫性強(qiáng)，可以提高窯爐使用熱效率，減輕爐體重量，降低能耗。

氧化鋁空心球制品在航天、原子能、電子工業(yè)和新能源等行業(yè)廣泛的應(yīng)用。與其它輕質(zhì)隔熱材料相比，氧化物空心球磚隔熱材料的特點(diǎn)是安全使用溫度高、強(qiáng)度大和熱導(dǎo)率小。他們的體積密度比同成分的致密制品低50%~60%，可承受高溫火焰的沖擊，直接作為高溫窯爐的內(nèi)襯。

Alumina hollow ball products are made by using alumina hollow ball as the main raw material, high-performance corundum fine powder as an additive, molding and drying, and firing in a 1750 ℃ high-temperature furnace. Alumina hollow ball products have high temperature resistance, low density, low thermal conductivity and strong thermal insulation, which can improve the thermal efficiency of the furnace, reduce the weight of the furnace and reduce energy consumption.

Alumina hollow ball products are widely used in aerospace, atomic energy, electronic industry, new energy and other industries. Compared with other lightweight insulation materials, oxide hollow spherical brick insulation materials are characterized by high safe use temperature, high strength and low thermal conductivity. Their bulk density is 50% ~ 60% lower than that of dense products of the same composition, which can withstand the impact of high-temperature flame and can be directly used as the lining of high-temperature kilns.