NEN EN 13024-1 : 2011

Foreword
Introduction
1 Scope
2 Normative References
3 Terms and definitions
4 Glass products
5 Fracture characteristics
6 Dimensions and tolerances
  6.1 Nominal thickness and thickness tolerances
  6.2 Width and length (sizes)
  6.3 Flatness
7 Edge work, holes, notches and cut-outs
  7.1 Warning
  7.2 Edge working of glass for toughening
  7.3 Profiled edges
  7.4 Round holes
  7.5 Notches and cut-outs
  7.6 Shaped panes
8 Fragmentation test
  8.1 General
  8.2 Dimensions and number of test specimens
  8.3 Test procedure
  8.4 Assessment of fragmentation
  8.5 Minimum values from the particle count
  8.6 Selection of the longest particle
  8.7 Maximum length of longest particle
9 Other physical characteristics
  9.1 Optical distortion
  9.2 Anisotropy (iridescence)
  9.3 Thermal durability
  9.4 Mechanical strength
  9.5 Classification of performance under accidental
      human impact
10 Marking
Annex A (normative) Determination of U value
Annex B (informative) Curved thermally toughened borosilicate
        safety glass
Annex C (informative) Example of particle count

Defines tolerances, flatness, edgework, fragmentation and physical and mechanical characteristics of monolithic flat thermally toughened borosilicate safety glass for use in buildings.