we are the manufacture of Cenospheres, the melting point of 1600-1700, the Sub-heated expansion of the obturator from the ball, there are many within the hole, with the noise absorption, strong absorption of the characteristics of silicate hollow ball with a low hardness, The proportion of light, particle size, and the characteristics of high porosity, Applied Materials by the permeability and reduce production at the crack and let bubble phenomenon and improve performance
Sio2 Applied Materials: ≤73%;
AL3O2: ≥15%
FE203 ≤1.5 %
Calcium oxide:≤1.5 percent.
Size: 40-100 mesh;
Density: 200-450 (Kg/cm3).
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