BS ISO 4582:2017
$142.49
Plastics. Determination of changes in colour and variations in properties after exposure to glass-filtered solar radiation, natural weathering or laboratory radiation sources
| Published By | Publication Date | Number of Pages |
| BSI | 2017 | 24 |
This document specifies methods to determine changes in colour and other appearance properties, and variations in mechanical or other properties, of plastics that have been exposed to glass-filtered solar radiation, to natural weathering or to simulated solar radiation from a laboratory source. The procedure used to analyse data depends on whether the test used to characterize the materials being exposed is destructive or non-destructive. The exposures are conducted under conditions described in specific exposure standards.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 2 | National foreword |
| 6 | Foreword |
| 7 | Introduction |
| 8 | 1 Scope 2 Normative references 3 Terms and definitions |
| 9 | 4 Determination of changes in colour or other appearance attributes 4.1 General 4.2 Changes in colour 4.2.1 Principles |
| 10 | 4.2.2 Apparatus 4.2.3 Test specimens 4.2.4 Procedure |
| 12 | 4.3 Changes in other appearance properties 5 Determination of changes in mechanical or other properties 5.1 Principles |
| 13 | 5.2 Apparatus 5.3 Test specimens 5.4 Procedure 5.4.1 Determination of initial properties 5.4.2 Storage of file specimens |
| 14 | 5.4.3 Determination of properties after exposure 6 Expression of results 6.1 Changes in colour 6.1.1 Instrumental measurements 6.1.2 Visual assessment 6.2 Changes in other appearance properties 6.2.1 Instrumental measurements |
| 15 | 6.2.2 Visual assessment of change in appearance attributes 6.2.3 Changes in mechanical and other properties |
| 16 | 7 Precision 8 Test report |
| 17 | Annex A (normative) Statistical formulae based on ISO 2602 for determination of mean and standard deviation and procedure for determination of time to 50 % loss of property |
| 22 | Annex B (informative) Possible effects of surface cleaning on assessment of exposure |
| 23 | Bibliography |
