... 300,000 cubic meters per year.) Introduction of aac production line AAC Brick Production Line (light brick ) is the light and porous ... silicon material (for example:coal ash,sand,stone dust and others ),through making the material small for example sand,they ... the porous rate is 70-80%. AAC Brick Production Line Equipments in the aac production line stocking raw materials, mixing, molding, forming, ...