... in minerals metallurgy 20-500 microns Use:cement,oil drilling,powder coating Bulk density:0.7-0.9g/cc oil ... cenospheres can maintain their integrity while they are utilized in Water,organic chemicals acid,alkali and other solvents.4) High ... other fillers and man-aade micro spheres.3. Applications:Widdely used in building material,plastics,ceramic,oil field,beton,well drilling,paint&coating ...