Products

The Company produces HPQ concentrates under the brand name Russian Quartz (RQ).

RQ’s HPQ is a product of grinding of natural quartz, purified from mineral and chemical impurities.

RQ offers the following product rage of HPQ products: RQ-6K, RQ-3K, RQ-2Kf, RQ-2KFf, RQ-2K, RQ-2Ki, RQ-1К.

RQ-3K

<12 ppm of impurities.

Particularly suited as a low-cost raw material for the outer layer of crucibles for photovoltaic industry and for small and medium diameter quartz tubes.

RQ-2K

<10 ppm of impurities.

Particularly suited for the inner layer of PV and Semi crucibles, and also for quartz tubes and ingots.

RQ-2Kf

<10 ppm of impurities.

Particularly suited for large diameter quartz tubes and ingots.

RQ-2KFf

<10 ppm of impurities.

Particularly suited for quartz ingots and special optics.

RQ-2Ki

<9 ppm of impurities.

Particularly suited for use as inner layer of crucibles for photovoltaic and semi-conductor industries, and also for large diameter quartz tubes.

RQ-1K

<9 ppm of impurities.

Applied for quartz glass used in semi-conductor industry, and also as inner layer of crucibles for photovoltaic and semiconductor industries.

RQ-6K

Semi-enriched product for further processing of HPQ.

Chemical analysis
Typical values, ppm:

Al B Ca Cr Cu Fe K Li Mg Mn Na Ni Ti
RQ-3K 5,2 0,08 0,39 0,01 0,01 0,39 0,25 0,29 0,11 0,01 0,5 0,01 2,8
RQ-2K 4,1 0,07 0,14 0,02 0,01 0,21 0,15 0,29 0,06 0,01 0,34 0,01 2,9
RQ-2Kf 4,2 0,08 0,18 0,01 0,01 0,13 0,13 0,29 0,09 0,01 0,29 0,01 2,7
RQ-2KFf 4,1 0,07 0,14 <0,01 <0,01 0,11 0,13 0,29 0,11 <0,01 0,35 <0,01 2,8
RQ-2Ki 4,0 0,07 0,09 0,01 0,01 0,09 0,12 0,29 0,08 0,01 0,32 0,01 2,9
RQ-1K 3,6 0,07 0,09 <0,01 <0,01 0,05 0,03 0,29 0,07 <0,01 0,06 <0,01 2,9

Content of impurity elements in the grade RQ-6K, not more than, %:

Al Ca Fe K Na
Specification 0,4 0,2 0,03 0,2 0,3

Brochure Products of RQ