... gypsum, glass, thermal insulation materials mok's hardness is not more than 9.3 level, the humidity in the below 6% inflammable ... large comsumption, power, capacity and cost than raymond mill. Therefor raymond mill is more popular than ball mill in China. Technical Parameter ... Factory was estabulished in 1980s, our plant has undergone more than two decades of arduous struggle to forge ahead and has ...