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 borosilicate glass
      5.2.1 Clear transparent borosilicate glass
      5.2.2 Clear translucent borosilicate glass
  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