... (for example:coal ash,sand,stone dust and others ),through making the material small for example sand,they can be used ... Product Descriptionfoam block machine,aerated autoclaved concrete plant, AAC block,aac production line,aac plant,AAC brick,autoclave aerated concrete block, ... material proportion: cement 6.5%, raw lime 23%, flyash 68%, gypsum 3%, aluminum paste powder 350g/M3.4 water and material ...