... density, heat insulation,fire and acoustical resistant AAC Block Machine Technological Production AAC block(Autocalved Aerated Concrete) is a ... fly ash) and calcium material(lime, cement), mixing with foaming additive(aluminum powder), batching with water, the reaction between ... firstly;(8) Secondly the horizontal cutting;(9) Finally the vertical cutting;(10) After cutting, the block is sended to ...