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

0,3

0,5
Fe0,10,3
Na0,81,2
K0,30,6
Li0,71,0
B0,10,3
Co0, 01
Cr0, 01
Cu0, 01
Mg0,05
Mn0,01
Ni0, 01
Ti6
Zr 0,1
Grain size distribution:
 Typical valueLimit
D1080µmMinimum 70µm
D50155µmRange 135-200µm
D90270µmMaximum 350µm