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% max

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 than

3∙10-4