Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
3.1 asymmetric material
3.2 drop height
3.3 masking
3.4 crack-free particle
4 Test requirements
5 Test method
5.1 Test apparatus
5.1.1 Description of test apparatus
5.1.2 Calibration
5.2 Test pieces
5.2.1 General
5.2.2 Dimensions of the test pieces
5.2.3 Number of test pieces
5.2.4 Preparation of the test pieces
5.3 Impact test procedure
6 Classification
6.1 General
6.2 Drop height class
6.3 Mode of breakage
7 Test report
Annex A (normative) Sphere penetration test
A.1 Probe assembly
A.2 Operation
Annex B (normative) Calibration of the test rig
B.1 Calibration procedure
B.2 Calibration report
B.3 Reference calibration curve
B.4 Calibration frequency
Annex C (normative) Terms and definitions of glass types
C.1 Terms and definitions
C.1.1 annealed glass (see EN 572-1)
C.1.2 thermally toughened soda lime silicate safety
glass (see EN 12150-1)
C.1.3 heat strengthened soda lime silicate glass
(see EN 1863-1)
C.1.4 chemically strengthened soda lime silicate
glass (see EN 12337-1)
C.1.5 laminated safety glass (see EN ISO 12543-1)
C.1.6 wired glass (see EN 572-1)
C.1.7 polished wired glass (see EN 572-3)
C.1.8 film backed annealed glass
Annex D (informative) Example of a test rig