... stainless steel smelting, container, steel structure manufacture, mold processing, ect.99.99%150 bar/200 bar99.999%150 bar/200 barHydrogenH299.9 ... , welding, artificial gems99.995%150 bar99.999%150 barCO2CO299.8%150 bar/200 barQF-2Chemical industry, welding, casting mold99. ... bar/200 barPX-32AElectronic industry, leak hunting, air balloon99.99%150 bar/200 bar99.9995150 bar/200 barAcetyleneC2H298.5%32 ...