... ,barite, mica powder, communalizebentonite,diatonite, clay, etc..Various metal powder such as aluminum powder, zinc powder, molybdenum powder, ... tungsten powder, magnesium powder, copper powder, rare-earth metal powder, alloy powder, etc.Other powder such as catalyst, ... of gravity sedimentation with centrifugal sedimentation leads to wide test range and easy operation perfect for the particle test ...