... the light brick,the porous rate is 70-80%.3.Advantages light weight Areated concrete density is usually 400 ... m3,(according the market in produce ),same as 1/3 of clay brick and 1/5 common concrete.So ... 600kg/m3 to control.2 annual capacity 200,000M3.3 set raw material proportion: cement 6.5%, raw lime 23 ... %, flyash 68%, gypsum 3%, aluminum paste powder 350g/M3.4 water and material rate ...