Our company produces and sells dry cenosphere(microspheres) in Europe and England. We sell the following fractions of cenospheres: 100um,160um,180um,300um,500um.\Our cenosphere contains the chemical composition: Control parameters Measurement Bulk density g/cm3 0,300 â?? 0,450 Specific gravity g/cm3 0,5 0,8 Floating rate % > 95 Melting point oC 1000 - 1300 Moisture content %