Grain refining agent available in Ti20# (Ti: 20%, B: 2.5%), Ti30# (Ti: 30%, B: 3%), and Ti40# (Ti: 40%, B: 4%) grades, with decay time of 6–8 hours. Ti30#/Ti40# suit aluminium plate, strip, foil, profile, bar, casting, and copper alloys; Ti20# suits the aluminium foil industry. Also suitable for copper alloys.
