... , slag, fly ash, and sand. Aerated concrete plant 1)high quality and easy operation 2)save work force and operate 3)realiable perfor ... or phosphogypsum, sulphur trioxide content, more than 35%.(3). Aluminium powder: activated aluminium content, more than 90%.(4). Cement: 32 ... : cement, 8%; Quicklime, 19%; sand, 70%; Gypsum, 3%; aluminium powder, 450g/m3; addictives: 400g/m3.(3). Each mould products: 4 ...