BS 3520:1962

This standard BS 3520:1962 Specification for dental wrought precious metal alloy wire is classified in these ICS categories:

• 11.060.10 Dental materials

This British Standard specifies requirements for dental wrought precious metal alloy wire as follows:

Type A, containing not less than 33 per cent by weight of gold;

Type B, containing not less than 15 per cent by weight of gold.

Type A, containing not less than 33 per cent by weight of gold; Type B, containing not less than 15 per cent.