Argon high purity for use as a protective atmosphere in welding, cutting and melting active and rare metals and their alloys, aluminum, aluminum and magnesium alloys, stainless chromium-nickel alloyed superalloys and steels of various grades, and also in the refining of metals metallurgy.


The name of indicators

 

brand 4.8

I

II

III

1

Volume fraction of an argon, %,  not less

99,998

2

The volume fraction of oxygen, %,  no more

2,5∙10-4

3

The volume fraction of nitrogen, %, no more

1∙10-3

4

The volume fraction of the hydrogen,  % , no more

2∙10-4

5

The volume fraction of the amount of carbon-containing compounds based on the CO2 , %, no more

1∙10-4

6

The volume fraction of  water vapor in the argon  gas, %,  no more 

3∙10-4