Inomaxx® TIG (R1ArH2) weld process gas meeting the requirements of ISO14175:R1, contains 2% Hydrogen in Argon. Our best gas for TIG welding stainless steel improves weld quality and reduces rejects through excellent penetration characteristics and brilliant, smooth, flat weld finish. Higher productivity (up to 30% increase in manual weld speeds when compared with argon). Protects the work environment, minimal ozone generation.