M20ArC15 (M20ArC15) weld process mixture is classified in group M20 according to ISO14175. Contains 15% Carbon Dioxide in Argon. Generally suitable for MAG welding of carbon steel. Supplied in a 10 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.