... (for example :600×200×100, 80×80×180 , 240×115×53, 600×200×125 ) ,they could be used industrybuilding and common building ... . they are more and more popular in the world .inthe future ,they will replace the Clay brick completely . 2.Areated concrete ... /m3,but Areated concrete are500kg/m3,600kg/m3,700kg/m3.It has not the big grain ,main use silicon material(for example: coal ...