NEN EN 572-4 : 2012

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Dimensional requirements
  4.1 Thickness
      4.1.1 General
      4.1.2 Tolerances
  4.2 Length, width and squareness
      4.2.1 General
      4.2.2 Tolerances
5 Quality requirements
  5.1 General
  5.2 Methods of observation and measurement
      5.2.1 Optical faults of drawn sheet glass (3.3)
      5.2.2 Visual faults
            5.2.2.1 Spot faults
            5.2.2.2 Linear/extended faults
  5.3 Acceptance levels
6 Designation
Bibliography

Defines dimensional and minimum quality requirements (in respect of optical and visual faults) for drawn sheet glass, as defined in EN 572-1, for use in building.