... 3. Convenient to maintain 4. Environmental protection Autoclave for AAC 1. introduce Aerated concrete brick (light brick ... . it can be made into many kinds of bricks (for example : 600×200×100, 80×80×180 , ... has not the big grain ,main use silicon material (for example: coal ash , sand , stone dust and ... others ) ,through making the material small for example sand, they can be used directly if ...