... coal ash,sand,stone dust and others ),through making the material small for example ... and other silicon materials. \4. DETAILED PRODUCT DESCRIPTION foam block machine, aerated autoclaved concrete plant, AAC block,aac production line,aac plant,AAC brick,autoclave aerated concrete block,concrete block machine ... aerated block raw material proportionnameunitCement lime fly ashflash%65-70cement%6-15lime%18 ...