CAN/CSA-Z349.44-93

This National Standard of Canada is equivalent to International Standard ISo 8891-1990. It gives the classification of, and specifies requirements and test methods for, dental casting alloys with a noble metal content of 25 % up to but not including 75 %. It applies to casting alloys intended for making dental restorations and appliances. It does not apply to alloys intended for use as the substructure of a ceramic-to-metal restoration. For dental casting alloys with a noble metal content of 75 % and above, see IS0 1562.