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

<17 ppm of impurities.

specially developed as material for the production of quartz tubes of various diameters.
Russian Quartz recommends this grade for manufacturers in the lighting industry

RQ-2K

<11 ppm of impurities.

particularly suited for use in the non-transparent layer of crucibles for photovoltaic and semi-conductor applications, and also for quartz tubes and ingots.

RQ-2Kf

<11 ppm of impurities.

is particularly suited for large diameter quartz tubes and ingots.
Russian Quartz  recommends this grade for manufacturers of optical and special glass, quartz ingots etc.

RQ-2KFf

<11 ppm of impurities.

Particularly suited for quartz ingots and special optics.

RQ-2Ki

<10,1 ppm of impurities.

particularly suited for use as inner layer of crucibles for photovoltaic and semi-conductor industries, and also for tubes and ingots.

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 0.47 0.49 0.20 0.30 0.09 0.40 2.9
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 0.29 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