High Quality Grey White Cenosphere Beads

Our company is producing and exporting of High Quality Grey White Cenosphere Beads to our consumers. Durant provides high qulity cenosphere that is an excellent choice for use by service companies in the oilfield ,refractory industry,paint and foundary Etc.
The product's contents are main Sio2 and Al2O3 with hollow and thinner paries ,the size is 5~1000um, the refractoriness is over 1600a and higher crush strength,it becomes the new type compound material in many industries.
Color : Gray-white bead
Al2O3(%) : 33~38
SiO2(%) : 56~62
FeO3 (%) : 2~4
Gravity density (g/cmA ) : 0.5~0.9
"Crush strength
(PSI a %)" : 3000 a 40%
Melt temperature (a ) : 1400
Float rate (%) : a Y90
Moisture (%) : a 1