... and gypsum as aggregate. The autoclaved Lime-ash Brick takes ash, sand or other slag as raw ... and gypsum as aggregate. The autoclaved Lime-ash Brick is made through such several procedures as ... of autoclaved brick press, fly ash brick, fly ash brick, and of lime-ash brick, and ancillary equipment, ... brick takes sand or industrial waster residue (coal ash, mineral process powder, slag and gangue) ...