... ISO9001 Authentication analyzer measure range:0.1-460micron Automatic feeding BT-9300Z Laser Particle Size AnalyzerSpecifications:Size Range:0. 1-460umRepeatability ... silicate, wollastonite, graphite, silica powder, tourmaline, mica, barite, plaster, betonite, diamond, quartz, diatomite, feldspar, calamite, clay, garnet, vermiculite, Titanium white power ...