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