High-pressure Micropowder Grinder is used for super fine powder proccessing of non-flammable and non-explosive materials with Moh’ s hardness below 6 and humidity below 8%, such as kaolin, limestone, calcite, talcum, marble, barite, gypsum, iron oxid red, iron oxid green, aluminium hydroxide, pigment, bentonite and ceramic. High-pressure Micropowder Grinder has a higher quality than ball mill.