... concreting cutting steaming curing,last,there will bacome the light brick,the porous rate is 70-80%. 3. ... brick and 1/5 common concrete.So use the Light brick can reduce the weight of the build ... block,aac production line,aac plant,AAC brick,autoclave aerated concrete block,concrete block machine,light weight block 1 Product ... or 42.5 common cement 2011 China aac line base with high quality