Specification of Cenosphere
Chemical Properties :
Silica : 50-60%
Alumina : 33-39%
Iron Oxide : 1.3-5%
Calcium : 0.5-1.5%
Manganese : 0.8-1.5%
CO2 Gas : 70%
Nitrogen Gas : 30%
Physical Properties :
Form : Free flowing powder
Colour : Off White to Grey
Particle size : 20 to 300 Microns
Mean Partcle Size : 130 microns
Bulk Density : 0.45 Gms / cc
Moisture : Less Than 2.5%
Sinkers : Less than 5%
Hardness : 5-6 Moh Scale
Loss on Ignition : 2% Max
Melting Point : 1250-1450Deg. C
Solubility : Negligible in water
Refractive Index : 1.53
Thermal Conductivity : 0.2 W / m / Deg. C
Oil Absorption : 16 / 18 oil/100g
Packing : 500 kgs Bags
