... a range of non-metallic powders, such as calcium carbonate heavy, calcium carbonate light, talcum, kaolin, graphite, wollastonite, brucite, barite, ... metallic powders, such as aluminum, zinc, molybdenum, tungsten, magnesium, copper, other rare metal and alloys.c. Other ... and control system are accurate and reliable. Specially designed light receiver array with 90 pcs detectors, forward76, lateral ...