Foreword
Introduction
1 Scope
2 Normative references
3 Principle
4 Apparatus
4.1 General
4.2 Artificial acidic deposition
4.3 Laboratory radiation sources
4.3.1 Fluorescent UV lamp apparatus
4.3.2 Xenon arc lamp apparatus
4.3.3 Irradiance
4.4 Test chamber
4.5 Radiometer
4.6 Black standard thermometer
4.7 Wetting and humidity
4.7.1 General
4.7.2 Relative humidity control equipment
4.7.3 Water spray system
4.7.4 Acid spraying
4.8 Specimen holders
4.9 Apparatus to assess changes in properties
5 Test specimens
6 Test conditions
6.1 Method A
6.1.1 General
6.1.2 Weathering cycle
6.1.3 Test duration
6.2 Method B
6.2.1 General
6.2.2 Weathering cycle
6.2.3 Test duration
6.3 Allowed deviations in temperature and humidity
6.4 Measurement of radiant exposure
6.5 Determination of changes in properties after exposure
7 Precision
8 Test report
8.1 Specimen description
8.2 Description of exposure test including:
8.3 Test results
8.4 The date of the test
Annex A (informative) - Background information
A.1 Acidic precipitation - outdoor conditions
A.2 Experiences with Method A and B
A.3 Orientation of the samples
Annex B (informative) - Precision data for coatings
B.1 General
B.2 Repeatability
Annex C (informative) - Bibliography