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 5.0 n/a 0.35 n/a n/a 0.40 0.20 0.29 0.10 n/a 0.45 n/a 2.7
RQ-2K 3.9 0.07 0.12 0.01 0.01 0.20 0.13 0.30 0.05 0.01 0.30 0.01 2.9
RQ-2Kf 4.2 0.07 0.09 0.01 0.01 0.11 0.12 0.30 0.08 <0.01 0.30 0.01 2.8
RQ-2KFf 3.9 0.07 0.12 0.01 0.01 0.10 0.12 0.30 0.10 0.01 0.30 0.01 2.7
RQ-2Ki 3.9 0.07 0.10 0.01 0.01 0.09 0.09 0.30 0.09 <0.01 0.29 0.01 2.8
RQ-1K 3.6 0.07 0.10 <0.01 <0.01 0.05 0.03 0.29 0.07 <0.01 0.05 <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