Chemical content of the solid material:
SiO2 > 99.999%
Content of other elements in ppm:
 NC2A
ElementMeanMax.
Al7,09,5
Ca

0,1

0,5
Fe0,10,4
Na0,91,3
K0,30,6
Li0,71,0
B0,10,3
Co0, 01
Cr0, 01
Cu0, 01
Mg0,05
Mn0,01
Ni0, 01
Ti10
Zr0,1
Grain size distribution:
 Typical valueLimit
D10103µmMinimum 95µm
D50192µmRange 170- 240µm
D90340µmMaximum 450µm