high purity quartz sand 1.Aplication: glass,refractory,ceramics,etc. 2.very high purity, 3.very low Fe ion, Na+ io

high purity quartz sand

we take high-quality quartz stone as raw material and use advanced technique to purify the quartz sand so that it has high purity and meet international standard

ITEMS/SPECS	GLASS SAND	NATURAL SILICA SAND	HIGHPURITY SILICA SAND	CRYSTALLIN SAND
SIO2	99%	99.5%	99.9%	99.99%
AL2O3	¡¡	0.12%	300PPM	30PPM
FE2O3	0.06%	0.03%	50PPM	1PPM
CAO	¡¡	0.01%	50PPM	1PPM
MGO	¡¡	0.005%	10PPM	1PPM
K2O	¡¡	0.01%	50PPM	1PPM
NA2O	¡¡	0.01%	50PPM	1PPM
Ignition Loss	¡¡	0.1%	0.08%	0.01%
MOISTURE CONTENT	4%	¡¡	0.08%	0.008%
WHITENESS	¡¡	88-92	92-95	>=95
DIAMETER	0.2-0.8MM 95%MIN	4mesh-200mesh	4mesh-200mesh	4mesh-200mesh

high purity quartz sand