... rate is 70-80%. 3. ADVANTAGES AAC block density is usually 400-700kg/m3,(according the ... cost,it also fighting shaking. keeping temperature aac block has many are porous,the delivery hearting coefficient ... cement 6.5%, raw lime 23%, flyash 68%, gypsum 3%, aluminum paste powder 350g/M3. 4 water and ... . 10. Cement lime fly ash style aerated block raw material proportion Low cost of construction material ...