high crush ratio, low energy saving, large yield, High pressure Micro powder Grinder is used for super fine powder processing of non-flammable and non-explosive materials with Mohr’s hardness below 6 and humidity below 8%, such as kaolin, limestone, calcite, talcum, marble, barite, gypsum, iron oxide red, iron oxide green, aluminum hydroxide, pigment, bentonite and ceramic. High-pressure Micro ...