... welding argon gas of purity 99.9%, 99.99% and 99.999% Industrial grade welding pure argon gas, 99.99% purity argon gas/industrial ... Middle-East,South Asia,Oceania ect. Purity: 99.9% ,99.999%, 99.999 Working pressure: 150 barArgon (Ar) is ... industry, chemical industry, analysisPure Neon ≥99.99 CylinderMaking lamp, chemical industry, analysisPure Argon ≥99.99GB/T4842-95CylinderIndustry process, chemical, ...