... they can be used directly if has enough degree of small (for example coal ash.Mixing calcium material lime cement ... autoclaved concrete plant, AAC block,aac production line,aac plant,AAC brick,autoclave aerated concrete block,concrete block machine,light weight block 1 Product weight is ... proportion: cement 6.5%, raw lime 23%, flyash 68%, gypsum 3%, aluminum paste powder 350g/M3. 4 water and material ...