... digest---grind in the grinding kneading-machine---press by Hydraulic brick making machine---steamed in the steam pressure ... , flyash, coal gangue, volcanic ash,stone dust,water residue,river sand, slag etc.2.various red ... can be produced as brick by our brick making machine.3. mix some cement,lime,chemical additive. ... )kg.3. Both the viscous force and water absorbing capacity(20%-30%)are better than clay ...