... It is based on cement, lime, slag, fly ash, and sand. Aerated concrete plant 1)high quality and ... centi degree;; Overheating lime content, less than 8%; Ash content, less than 10%; MgO, less than 5%.( ... 3). Aluminium powder: activated aluminium content, more than 90%.(4). Cement: 32.5R bulk cement.(5). Sand: SiO2 ... 400g/m3.(3). Each mould products: 4.0?.2?.6=2.88 m3.(4). Agitation period: 6-7 minute;(5). ...