BS EN 15771:2010 Vitreous and porcelain enamels. Determination of surface scratch hardness according to the Mohs scale
BS EN 15771 is a European Standard specifies a method of test for determining the scratch hardness of the surface of vitreous and porcelain enamels.
Contents of BS EN 15771:
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reference minerals
6 Test specimen
7 Procedure
8 Assessment of result
9 Test report