The argon gas is used in welding arc welding,stainless steel amelting, container, steelstructure manufacture,mold prossing,ect

Gas Name

Chemical Formula

Specification(%)

Impurity (ppm)

Argon	Ar	99.99	O2≤10 THC≤10 N2≤50 H2≤5 H2O≤15
		99.999	O2≤2 THC≤2 N2≤5 H2≤1 H2O≤4
		99.9995	O2≤1 THC≤0.5 N2≤2 H2≤0.5 H2O≤1

Argon gas