... as BT-9300H is the improvement on BT-9300 laser particle size analyzer.It introduces series of advanced technology and production ... , such as calcium carbonate, talcum, kaolin, zirconium silicate, wollastonite, graphite, silica powder, tourmaline, mica, barite, plaster, betonite, diamond, quartz, diatomite, feldspar, ... military industry, battery material and more. BT-9300H Laser Particle Size Analyzer