BS ISO 21475:2019
$142.49
Plastics. Methods of exposure to determine the wavelength dependent degradation using spectrally dispersed radiation
| Published By | Publication Date | Number of Pages |
| BSI | 2019 | 28 |
This document specifies methods of determining the spectral response of all kind of plastics materials to ultraviolet and visible radiation by an irradiation test with spectrally dispersed irradiation.
NOTE
Typical specimens that are evaluated include: films, liquids, plaques, pellets, powders, sheets and discs.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 2 | National foreword |
| 6 | Foreword |
| 7 | Introduction |
| 9 | 1 Scope 2 Normative references 3 Terms and definitions |
| 10 | 4 Principle 5 Apparatus 5.1 Exposure device |
| 11 | 5.2 Spectroradiometer 5.3 Measuring device for property change 6 Test specimens 6.1 Specimen preparation and conditioning |
| 12 | 6.2 Specimen conditioning 7 Exposure parameter 7.1 Radiation 7.2 Specimen temperature |
| 13 | 7.3 Test duration 8 Procedure 8.1 Specimen optical and mechanical properties measurements 8.2 Mounting test specimens 8.3 Exposure |
| 14 | 9 Test report |
| 15 | Annex A (informative) General information on the test method using spectrally dispersed radiation |
| 17 | Annex B (informative) Examples of devices for spectrally dispersed irradiation |
| 19 | Annex C (informative) Examples of test results |
| 26 | Bibliography |
