... such as coal ash,cement,sand,stone,slag,and so on.The machine can severs several purposes and produce ... 2. Main parameters of Block factory QT4-20C automatic cement block machine block factory Main Technical SpecificationsDimension7100*1600*2610mmRated pressure16MPaMain ... Size1020*570*25mmMolding Cycle20-25(s)Overall Power27.5kwRaw Materialscrushed stone, sand, cement, dust and coal fly ash, cinder, ...