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BS ISO 18543:2021 – TC:2022 Edition

BS ISO 18543:2021 – TC:2022 Edition

$134.27

Tracked Changes. Glass in building. Electrochromic glazings. Accelerated ageing test and requirements

Published By Publication Date Number of Pages
BSI 2022 52
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This document specifies the accelerated ageing test and requirements for electrochromic glazings intended to either control direct or indirect solar transmission, or both. The electrochromic glazings can be assembled as insulating glass unit, laminated glass or combination of both.

The test method described in this document is only applicable to chromogenic glazings that can be switched between different transmission states using an electrical stimulus. This test method is not applicable to other chromogenic glazings such as photochromic and thermochromic glazings, which do not respond to electrical stimulus.

This test method is applicable to any electrochromic glazing fabricated for use in buildings such as in doors, windows, skylights, exterior wall systems and glazing exposed to solar radiation. The materials used for constructing the electrochromic glazing and for electrochromically changing its optical properties can be inorganic or organic materials.

PDF Catalog

PDF Pages PDF Title
1 30454305
31 A-30379071
32 National foreword
36 Foreword
37 Introduction
39 1 Scope
2 Normative references
3 Terms and definitions
40 4 Symbols
5 Principle of the test
41 6 Description of the test equipment
6.1 Oven (for steps 1 and 3)
42 6.2 Spectrometer (for steps 1 and 3)
6.3 Switching control system (for steps 1 and 3)
6.4 Test chamber (for step 2)
45 6.5 Electrochromic cycling unit (for step 2)
6.6 Image capturing equipment (optional)
7 Test specimen
7.1 Description of the test specimen
7.2 Preparation of the test specimen
46 8 Initial optical characterization of the test sample (step 1)
8.1 General
8.2 Initial optical characterization of the electrochromic glazings at room temperature
47 8.3 Light transmittance measurement as a function of time at the selected test temperature
48 9 Cycling and radiation exposure of the test sample (step 2)
9.1 Mounting of the electrochromic glazings in the test chamber
9.2 Setting up the test chamber
9.3 Cycling the electrochromic glazings in the test chamber at elevated temperature and under simulated solar exposure
49 9.4 Interim visual and optical characterizations (optional)
10 Final optical characterization of the test sample (step 3)
11 Performance requirements
11.1 Visible light transmittance
11.2 Switching time difference
11.3 Other requirements
50 12 Observations
13 Test report
51 Bibliography

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BS ISO 18543:2021 - TC
$134.27