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苏州市生产的蒸压加气混凝土砌块以下简称加气块是利用火力发电厂湿排粉煤灰、水泥厂旋转窑生产水泥时产生的窑灰,掺入发气剂及拉开粉等,经过蒸汽高压后,形成多孔性的墙体材料。干容重为500公斤/立方米,因它区别于干容重700公斤/立方米的另一种加气混凝土,故目前名为轻质加气混凝土。它的容量相当于砖砌体的三分之一,钢筋混凝土的五分之一。抗压强度为30公斤/平方厘米,而同样容重泡沫水泥的抗压强度仅为3～5公斤/立方匣米;水泥膨胀珍珠岩制品的耐压强度为4～8公斤/
The autoclaved aerated concrete block produced in Suzhou City is hereinafter referred to as the aerated block. It is a kiln ash produced by using wet fly ash from a coal-fired power plant and a cement plant rotary kiln to produce cement, and is mixed with a gas generating agent and a pulverized coal. After the high pressure of steam, a porous wall material is formed. The dry bulk density is 500 kg/m3, which is currently called lightweight aerated concrete because it is distinguished from another type of aerated concrete with a dry bulk density of 700 kg/m3. Its capacity is equivalent to one-third of the brickwork and one-fifth of the reinforced concrete. The compressive strength is 30 kg/cm2, and the compressive strength of the same bulk density foamed cement is only 3 to 5 kg/cubic inch; the cement compressive strength of perlite products is 4 to 8 kg/.