Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Glass products
5 Manufacturing processes
5.1 General
5.2 Toughening process
5.3 Heat soak process cycle
6 Heat soak process system
6.1 General
6.2 Oven
6.3 Glass support
6.4 Glass separation
6.5 Calibration
7 Fracture characteristics
8 Dimensions and tolerances
8.1 Nominal thickness and thickness tolerances
8.2 Width and length (sizes)
8.3 Flatness
9 Edge work, holes, notches and cut-outs
9.1 Warning
9.2 Edge working of glass for toughening
9.3 Profiled edges
9.4 Round holes
9.5 Notches and cut-outs
9.6 Shaped panes
10 Fragmentation test
10.1 General
10.2 Dimensions and number of test specimens
10.3 Test procedure
10.4 Assessment of fragmentation
10.5 Minimum values from the particle count
10.6 Selection of the longest particle
10.7 Maximum length of longest particle
11 Other physical characteristics
11.1 Optical distortion
11.2 Anisotropy (iridescence)
11.3 Thermal durability
11.4 Mechanical strength
11.5 Classification of performance under accidental
human impact
12 Marking
Annex A (normative) Heat soak process system calibration test
A.1 Calibration criteria
A.2 Loading of oven and position for glass surface temperature
measurement
A.3 Procedure
A.4 Records
A.5 Interpretation of the calibration test
Annex B (informative) Curved heat soaked thermally toughened soda
lime silicate safety glass
Annex C (informative) Examples of particle count
Bibliography