ISO 16474-2:2013
Paints and varnishes — Methods of exposure to laboratory light sources — Part 2: Xenon-arc lamps
ISO 16474-2:2013 specifies methods for exposing specimens to xenon-arc light in the presence of moisture to reproduce the weathering effects that occur when materials are exposed in actual end-use environments to daylight or to daylight filtered through window glass.
The specimens are exposed to filtered xenon-arc light under controlled conditions (temperature, humidity and/or wetting). Various types of xenon-arc lamps and various filter combinations may be used to meet all the requirements for testing different materials.
Specimen preparation and evaluation of the results are covered in other International Standards for specific materials.
General guidance is given in ISO 16474‑1. Xenon-arc exposures for plastics are described in ISO 4892‑2.
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Section sec_1
Section sec_2
Section sec_3
Section sec_3.1
Section sec_4
Section sec_4.1
Section sec_4.2
Section sec_4.3
Section sec_4.4
Section sec_4.5
Section sec_4.6
Section sec_4.7
Section sec_5
Section sec_5.1
Section sec_5.1.1
Section sec_5.1.2
Table tab_1
Section sec_5.1.3
Table tab_2
Section sec_5.1.4
Section sec_5.2
Section sec_5.3
Section sec_5.4
Section sec_5.5
Section sec_5.5.1
Section sec_5.5.2
Section sec_5.5.3
Section sec_5.6
Section sec_5.7
Section sec_6
Section sec_7
Section sec_7.1
Section sec_7.2
Section sec_7.2.1
Section sec_7.2.2
Section sec_7.3
Table tab_3
Table tab_4
Section sec_7.4
Section sec_7.5
Section sec_7.6
Section sec_8
Section sec_8.1
Section sec_8.2
Section sec_8.3
Section sec_8.4
Section sec_8.5
Section sec_8.6
Section sec_9
Annex sec_A
Annex sec_A.1
Annex sec_A.2
Annex sec_A.2.1
Annex sec_A.2.2
Table tab_A.1
Annex sec_A.2.3
Annex sec_B
Table tab_B.1
Table tab_B.2
Reference ref_1
Reference ref_2
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
5.1 Laboratory light source
5.2 Test chamber
5.3 Radiometer
5.4 Black-standard/black-panel thermometer
5.5 Wetting and humidity-control equipment
5.6 Specimen holders
5.7 Apparatus to assess changes in properties
6 Test specimens
7 Exposure conditions
7.1 Radiation
7.2 Temperature
7.3 Relative humidity of chamber air
7.4 Spray cycle
7.5 Cycles with dark periods
7.6 Sets of exposure conditions
8 Procedure
8.1 General
8.2 Mounting the test specimens
8.3 Exposure
8.4 Duration of test
8.5 Measurement of radiant exposure
8.6 Determination of changes in properties after exposure
9 Test report
Annex A (informative) Filtered xenon-arc radiation — Spectral power distribution
Annex B (normative) Additional exposure cycles
Bibliography
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Section sec_1
Section sec_2
Section sec_3
Section sec_3.1
Section sec_4
Section sec_4.1
Section sec_4.2
Section sec_4.3
Section sec_4.4
Section sec_4.5
Section sec_4.6
Section sec_4.7
Section sec_5
Section sec_5.1
Section sec_5.1.1
Section sec_5.1.2
Table tab_1
Section sec_5.1.3
Table tab_2
Section sec_5.1.4
Section sec_5.2
Section sec_5.3
Section sec_5.4
Section sec_5.5
Section sec_5.5.1
Section sec_5.5.2
Section sec_5.5.3
Section sec_5.6
Section sec_5.7
Section sec_6
Section sec_7
Section sec_7.1
Section sec_7.2
Section sec_7.2.1
Section sec_7.2.2
Section sec_7.3
Table tab_3
Table tab_4
Section sec_7.4
Section sec_7.5
Section sec_7.6
Section sec_8
Section sec_8.1
Section sec_8.2
Section sec_8.3
Section sec_8.4
Section sec_8.5
Section sec_8.6
Section sec_9
Annex sec_A
Annex sec_A.1
Annex sec_A.2
Annex sec_A.2.1
Annex sec_A.2.2
Table tab_A.1
Annex sec_A.2.3
Annex sec_B
Table tab_B.1
Table tab_B.2
Reference ref_1
Reference ref_2
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
5.1 Laboratory light source
5.2 Test chamber
5.3 Radiometer
5.4 Black-standard/black-panel thermometer
5.5 Wetting and humidity-control equipment
5.6 Specimen holders
5.7 Apparatus to assess changes in properties
6 Test specimens
7 Exposure conditions
7.1 Radiation
7.2 Temperature
7.3 Relative humidity of chamber air
7.4 Spray cycle
7.5 Cycles with dark periods
7.6 Sets of exposure conditions
8 Procedure
8.1 General
8.2 Mounting the test specimens
8.3 Exposure
8.4 Duration of test
8.5 Measurement of radiant exposure
8.6 Determination of changes in properties after exposure
9 Test report
Annex A (informative) Filtered xenon-arc radiation — Spectral power distribution
Annex B (normative) Additional exposure cycles
Bibliography