NBN EN 1748-2 : 1997
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
01-01-2005
01-12-2013
Foreword
1 Scope
2 Normative references
3 Definitions
4 Chemical composition
4.1 Principal constituents
4.2 Tint
5 Physical and mechanical characteristics
5.1 General characteristics
5.2 Definition of clear glass ceramic
5.3 Stability of physical and chemical characteristics
6 Dimensional requirements
6.1 Thickness and tolerances
6.2 Length, width, squareness and tolerances
7 General quality criteria
7.1 Optical
7.2 Appearance
8 Quality requirements
8.1 Optical faults
8.2 Visual faults
8.3 Methods of observation and measurement
8.4 Acceptance levels
9 Designation
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