Description
This part of SZNS 044 specifies the particular requirements for photo-luminescent safety signs.
TABLE OF CONTENTS
| Contents | Page |
| 1 Scope | 1 |
| 2 Normative references | 1 |
| 3 Definitions | 1 |
| 4 Requirements | 1 |
| 4.1 General | 1 |
| 4.2 Colour | 1 |
| 4.3 Luminance decay of photoluminescent materials | 2 |
| 5 Inspection and methods of test | 4 |
| 5.1 Inspection | 4 |
| 5.2 Test for chromaticity co-ordinates and luminance factor | 4 |
| 5.3 Test for luminance decay of photoluminescent materials | 4 |
| 6 Packing and marking | 4 |
| 6.1 Packing | 4 |
| 6.2 Marking | 5 |
| Annex A Notes to purchasers | 6 |
| Annex B Quality verification of symbolic safety signs | 7 |
| Bibliography | 8 |

