ДСТУ EN ISO 16474-1:2022 Фарби та лаки. Методи впливу лабораторних джерел світла. Частина 1. Загальні настанови (EN ISO 16474-1:2013, IDT; ISO 16474-1:2013, IDT)

ДСТУ EN ISO 16474-1:2022
(EN ISO 16474-1:2013, IDT; ISO 16474-1:2013, IDT)

Фарби та лаки. Методи впливу лабораторних джерел світла. Частина 1. Загальні настанови

 
     
Не є офіційним виданням.
Офіційне видання розповсюджує національний орган стандартизації
(ДП «УкрНДНЦ» http://uas.gov.ua)

Contents

Foreword

Introduction

1 Scope

2 Normative references

3 Terms and definitions

4 Principle

4.1 General

4.2 Significance

4.3 Use of accelerated tests with laboratory light sources

5 Requirements for laboratory exposure devices

5.1 Irradiance

5.2 Temperature

5.3 Humidity and wetting

5.4 Other requirements for the exposure device

6 Test specimens — Preparation, replicates, storage and conditioning

6.1 Handling of test specimens

6.2 Form, shape, preparation

6.3 Number of test specimens

6.4 Storage and conditioning

7 Test conditions and procedure

7.1 Set points for exposure conditions

7.2 Property measurements on test specimens

8 Periods of exposure and evaluation of test results

8.1 General

8.2 Sampling

8.3 Determination of changes in properties after exposure

8.4 Use of control materials

8.5 Use of results in specifications

9 Test report

Annex A (informative) Procedure for measuring the irradiance uniformity in the specimen exposure area

Annex B (informative) Factors that decrease the degree of correlation between artificial accelerated weathering or artificial accelerated irradiation exposures and actual use exposures

Annex C (informative) Solar spectral irradiance standard

Bibliography