SN EN 1748-2-1 : 2004

Foreword
1 Scope
2 Normative references
3 Terms and 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 ceramics
  5.3 Stability of physical and chemical characteristics
6 Dimensional requirements
  6.1 Manufacturing dimensions
      6.1.1 Stock sizes
      6.1.2 Final cut sizes
  6.2 Thickness
      6.2.1 Tolerances
  6.3 Length, width, squareness and tolerances
7 Quality requirements
  7.1 Methods of observation and measurement
      7.1.1 Optical faults
      7.1.2 Visual faults
  7.2 Acceptance levels
      7.2.1 Optical faults, spot faults, linear/extended faults
      7.2.2 Edge defects for final cut sizes
8 Designation
Bibliography

Specifies and classifies glass ceramics for use in building and indicates their chemical composition, main physical and mechanical properties, dimensional and minimum quality requirements (in respect of optical and visual faults).