Cenospheres are lightweight, inert, hollow, nonmetallic spherical materials, composed largely of silica (SiO2) and alumna Al2O3
The mineral magnesite which has been reduced to a powder by heating, i.e. calcined.
Calcined Magnesite Ball is made from calcined magnesite powder through Mixing, pressing spheroid.
White Fused Mullite is manufactured from Calcined Alumina and high purity silica sand.
Our range of Hollow Glass Microsphere is a kind of ultra-lightweight inorganic non-metallic material with hollow structure.