How many kilograms of vitrified beads per cubic meter?

the weight of a cubic vitrified microbead is about 8-13kg, which is related to the particle size. The larger the mesh number, the lighter the weight. Vitrified microbead is an environmentally friendly new inorganic lightweight thermal insulation material, which has the advantages of light weight, heat preservation, heat insulation and fire prevention, as well as non-combustion, high strength, low water absorption, good workability and long service life.