high purity argon gas for welding

High purity argon gas for welding Argon’s description & basic information: Argon (Ar) A colorless, odorless, nontoxic, nonflammable, inert gas. Model argon gas (argon, compressed) Molecular Formula Ar Flammable Limits Nonflammable UN No. UN1006 CAS No. 7440-37-1 Transportation Label Nonflammable Gas Hazardous class for transport 2.2 Trade mark Hengan What are the uses of argon? Argon is produced industrially by the fractional distillation of liquid air. Argon is mostly used