... carbonate, talcum powder,kaolin, graphite, BT-1500 Centrifugal Sedimentation Particle Size AnalyzerBT-1500 type has excellent performance ... all developed by us. It adopts gravity sedimentation, centrifugal sedimentation and the combination of them. The ingenious ... material, etc.CharacteristicsThe combination of gravity sedimentation with centrifugal sedimentation leads to wide test range and easy ...