EN ISO 1562 : 2004

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Classification
5 Requirements
   5.1 Chemical composition
   5.2 Biocompatibility
   5.3 Mechanical properties
   5.4 Density
   5.5 Corrosion resistance
   5.6 Tarnish resistance
   5.7 Electrochemical behaviour
   5.8 Melting range
6 Sampling
7 Preparation of test specimens
   7.1 General
   7.2 Specimens for tensile testing
8 Testing
   8.1 Visual inspection
   8.2 Testing of proof strength of non-proportional
        extension and of percentage elongation after
        fracture
9 Information and instructions
   9.1 Information
   9.2 Processing instructions
   9.3 Hazardous elements
10 Marking
   10.1 Alloy
   10.2 Package
Annex A (informative) Surface corrosion testing - Static
        immersion test
Annex B (informative) Tarnish testing - Sodium sulfide test
Annex C (informative) Electrochemical testing - Potentiodynamic
        test
Bibliography

Specifies requirements and test methods for gold-based dental casting alloys with a content of at least 75% (m/m) of gold and platinum group metals. Applies to casting alloys suitable for the fabrication of dental restorations and appliances.