BSI 15/30327014 DC:2015 Edition
$13.70
BS ISO 12540. Glass in building. Thermally tempered (thermally toughened) soda lime silicate safety glass
| Published By | Publication Date | Number of Pages |
| BSI | 2015 | 42 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 11 | 1 Scope 2 Normative references 3 Terms and definitions |
| 13 | 4 Glass products 5 Fracture characteristics 5.1 General 5.2 Accidental human impact 5.3 Fragmentation |
| 14 | 6 Dimensions and tolerances 6.1 Nominal thickness and thickness tolerances 6.2 Width and length (sizes) 6.2.1 General |
| 15 | 6.2.2 Maximum and minimum sizes 6.2.3 Tolerances and squareness |
| 16 | 6.2.4 Edge deformation produced by vertical tempering 6.3 Flatness 6.3.1 General |
| 18 | 6.3.2 Measurement of overall bow |
| 19 | 6.3.3 Measurement of wave or roller wave 6.3.3.1 General 6.3.3.2 Apparatus |
| 20 | 6.3.3.3 Method 6.3.3.4 Limitations 6.3.4 Measurement of edge lift (for horizontally tempered safety glass only) 6.3.4.1 Apparatus 6.3.4.2 Method |
| 21 | 6.3.5 Measurement of perimeter deformation of glass produced by air cushion toughening process |
| 22 | 6.3.6 Measurement of local distortion (for vertically tempered safety glass only) 6.3.7 Limitation on overall bow, roller waves and edge lift for horizontally tempered safety glass |
| 23 | 6.3.8 Limitation on overall bow, wave and perimeter deformation for tempered safety glass manufactured by air cushion process |
| 24 | 6.3.9 Limitation on overall bow and local distortion for vertically tempered safety glass 6.3.10 Other distortions 7 Edge work, holes, notches and cut-outs 7.1 General |
| 25 | 7.2 Edge working of glass for tempering 7.3 Profiled edges |
| 26 | 7.4 Round holes 7.4.1 General 7.4.2 Diameter of holes 7.4.3 Limitations on position of holes |
| 27 | 7.4.4 Tolerances on hole diameters |
| 28 | 7.4.5 Tolerances on position of holes |
| 29 | 7.5 Holes/others 7.6 Notches and cut-outs 7.7 Shaped panes 8 Fragmentation test 8.1 General 8.2 Dimensions and number of test specimens |
| 30 | 8.3 Test procedure 8.4 Assessment of fragmentation |
| 31 | 8.5 Minimum values from the particle count |
| 32 | 8.6 Selection of the longest particle 8.7 Maximum length of longest particle 8.8 Test Report 9 Other physical characteristics 9.1 Optical distortion 9.1.1 Tempered safety glass produced by vertical tempering 9.1.2 Tempered safety glass produced by horizontal tempering 9.2 Anisotropy (iridescence) |
| 33 | 9.3 Thermal durability 9.4 Mechanical strength 9.5 Surface pre-stress |
| 34 | 10 Marking 11 Packaging |
| 35 | Annex A (normative) Pendulum Impact Test methods A.1 General A.2 Pendulum test methods employed around the world for the classification of thermally tempered safety glass against accidental human impact A.2.1 Japan A.2.2 Australia, New Zealand A.2.3 United States of America A.2.4 Canada A.2.5 Europe |
| 36 | Annex B (informative) Alternative method for the measurement of roller wave distortion B.1 Apparatus B.2 Method |
| 37 | B.3 Limitations B.4 Alternative use of apparatus |
| 38 | Annex C (informative) Example of particle count |
| 40 | Annex D (informative) Method for the measurement of the surface pre-stress of tempered safety glass D.1 Measurement of surface pre-stress D.2 Method D.2.1 Principle of the method D.2.2 Calibration of the method |
| 41 | D.2.3 Procedure of measurement D.2.4 Results |
