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氯氧镁水泥又称索瑞尔(Sorel)水泥,菱苦土水泥或塑性氧化镁水泥等,是1867年 Sorel发明的一种气硬性胶凝材料。它是由菱镁矿在800～900℃下烧成制得,具有凝结硬化快、强度高、收缩小、耐磨性好和具有相当的耐碱、耐有机溶剂、耐普通盐类和硫化物作用等优点。将它与各种有机或无机填料胶结制成的产品统称为菱苦土制品,其制品具有非常好的耐火性,很低的热传导性,高的弯曲强度和抗压强度。五十年代在我国地区曾形成生产菱苦土制品的高潮,如楼板、门窗、檩条、瓦等制品。
Magnesium oxychloride cement is also called Sorel cement, magnesite cement or plastic magnesium oxide cement, etc. It is an air-rigid cement material invented by Sorel in 1867. It is obtained by calcining magnesite at 800～900°C, with fast setting and hardening, high strength, small shrinkage, good wear resistance, and considerable alkali resistance, organic solvent resistance, common salt and sulfide resistance. Effect and other advantages. The products made by binding it with various organic or inorganic fillers are collectively referred to as magnesite products. The products have very good fire resistance, low thermal conductivity, high bending strength and compressive strength. In the 1950s, there was a climax in the production of magnesite products in China, such as floors, doors, windows, purlins, tiles and other products.