... material: Gypsum, Flyash, Slag/Coal Cinder (all these are industrial waste from coal fired power plant or other field), Water2. Approximate ... crackAnti-impactVery wellPendulum impact 3 times with 30kg sand bag from 0.5m height, no through crack 4. Plant ... to it.The plant is automatically and hydraulically controlled. There are hydraulic mould extractor, screw feeder, mixer, pallet car, etc ...