Silica Sand 1.very high purity, SiO2 99.9% min 2.very low Fe ion, Na+ ion, Cl- ion.

Certificate: ISO9001; ISO14001; OHSAS18001

Product: high-purity crystal powders, high-purity low OH crystal powder, clear fused quartz glass tube, UV-stop quartz glass tube, none-ozone quartz glass tube, quartz bar, milky quartz tube, quartz testing tube, quartz crucible and futher manufacturing quartz tube.

Crystal Power / Silicon Powder

Crystal power is manufactured from natural high quality crystal stone, for its high content of SiO2 and low impurity, it can be used as material of producing optical fiber, fused quartz glass tube , rod and crucible which can be used in fiber communication, lighting and semiconductor industry etc.

High-pure crystal powder.Standard. Degree of grain

Standard	Degree of grain
425μm-250μm	95%
250μm-180μm	90%
180μm-125μm	90%
125μm-85μm	85%

Chemical Index

Item	Index
	High Quality Products	Quality Products
SiO2( % )	≥99.99	≥99.98
Al(*10-6)	≤10	≤15
Fe(*10-6)	≤1	≤1
K(*10-6)	≤1.5	≤3
Na(*10-6)

quartz silica sand in industry