Argon Technical grade 4.8 (99.998%). Known for its unique inerting properties. A welding gas meeting the requirements of I1 according to ISO14175, for TIG welding of all weldable metals and alloys and MIG welding of Aluminium and other reactive materials. Supplied in a 30 litre Integra® cylinder at 300 bar. Integra® cylinders are safer, smaller and lighter. The Integra® cylinder is designed to be used with a choice of Integra® flow optimisers (available separately) which ensure optimum weld results whilst reducing excessive gas usage too.