AAC block production line: 1.Advanced technology with good price 2.Reliable ... common building.they are more and more popular in the world.in the future,they will replace the Clay ... .2.The common AAC material: one is flyash ,cement , lime ,gypsum and aluminum powder ,two is sand ,cement ,lime , ... ),they will enter into autoclave through windlass machine8. in the autoclave ,sand will be 10-11 hours and ...