1.Commodity: Cenospheres;
2.Size: 20-500 micron;
3.Color: light gray or white;
4.Advantages: light weight, nontoxic, corrosion resistant, excellent thermal insulation; good hardness and high strength; large specificsurface, small particle size; good electrical insulation.
5.Specification:
 

Physical Analysis Data				Chemical Analysis Data
Appearance	Grey/White powder	Thermal diffusivity	0.000903- 0.0015m2/h	SiO2	50-55%
Ture density	0.6-0.99%	Compressive strength	28Mpa min	Al2O3	28-33%
Bulk density	0.3-0.5g/cm3	Mosh scale	5-7	Fe2O3	2-4%
Moisture	0.5% max	PH	6	SO3	0.1-0,2%
Sinking particles	10% max by volume	Coefficient of heatconduvtivity	0.054- 0.095w/m.k	CaO	0.2-0.4%
Melting point	1400cmin	Refractive index	1.54	MgO	0.8-1,2%
Loss on ignition at 1000c	< 3%			Na2O	0.3-0.9%
Refractoriness	1550-1750c			K2O	0.5-1.1%

6.Application: refractory and heat-isolationmaterial, building material, oil field, insulation material, paint&coating, air craft, plastic, FRP, packaging material, etc.