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BS EN 1096-5:2016

BS EN 1096-5:2016

$167.15

Glass in building. Coated glass – Test method and classification for the self-cleaning performances of coated glass surfaces

Published By Publication Date Number of Pages
BSI 2016 36
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This European Standard defines a test method to establish the self-cleaning performances for coatings on glass which utilize sun, rain or a combination of sun and rain to enhance the cleanliness of the glass.

The European Standard applies to class A coated glass as defined in EN 1096‑1 and EN 1096‑2 for use in outdoor building applications. The test is designed to be applicable for coatings on glass which use hydrophilic or photocatalytic active functionalities to enhance the cleanliness of the glass.

The test procedure does not specifically address the durability of the coating’s self-cleaning functionality.

PDF Catalog

PDF Pages PDF Title
4 Contents Page
6 European foreword
7 1 Scope
2 Normative references
3 Terms and definitions
8 4 Symbols and abbreviations
5 Principle of the test
9 6 Instrumentation
6.1 UVA-Illumination chamber
6.2 Sample support
10 6.3 Spraying nozzle
6.4 Dirt mixture pressure tank
6.5 Water pressure tank
6.6 Timer for spray
6.7 Furnace used to dry the glasses
11 7 Preparation of the glass samples
7.1 General
7.2 Tested sample
12 Figure 1 — Description of test sample
7.3 Control sample
13 8 Haze measurement
8.1 Unexposed surface cleaning
8.2 Position of haze measurements on the samples
Figure 2 — Location of the 9 positioning dots and of the hazemeter port in the test zone
14 8.3 Measurement of transmission haze
9 Preparation of dirt mixture
9.1 General
9.2 Stearic acid solution
9.3 Adipic acid solution
15 9.4 Solid compound suspension
Table 1 — Soluble components
Table 2 — Non soluble components
9.5 Final dirt mixture
16 10 Test procedure
10.1 General
10.2 Initial activation
10.2.1 Glass samples cleaning
10.2.2 UV irradiation
10.2.3 Initial haze measurement
17 10.3 First cycle
10.3.1 General
10.3.2 Dirt mixture spraying
10.3.3 Drying
18 10.3.4 Haze measurement after dirt spray
10.3.5 UV-A irradiation
10.3.6 Haze measurement after UV irradiation
10.3.7 Deionized water spraying
19 10.3.8 Drying
10.3.9 Haze measurement after deionized water spray
10.4 Second cycle
10.5 Collection of the results
20 11 Classification
12 Test report
21 Annex A (normative) Sample support and spray installation
A.1 Spray rig
Figure A.1 — Relative position of glass sample and spray nozzle
22 Figure A.2 — Example of spray rig
A.2 Spray system
23 Figure A.3 — Spraying system
24 Annex B (normative) Haze measurement method
B.1 General
B.2 The instrument3F )
25 Figure B.1 — Schematic arrangement of the haze meter
B.3 Calculation
26 B.4 Values
B.5 Short cut procedures
27 Annex C (normative) Contamination checking procedure
C.1 General
C.2 Evaluation of the contamination of the test environment
C.3 Irregular contamination of the sample
28 Annex D (normative) Statistical analysis of test results – Calculation of statistical numbers to obtain a self-cleaning functionality used for classification of coated glass
Table D.1 — Maximum standard deviation estimated from the Round Robin test
29 Annex E (informative) Round Robin tests
E.1 General
E.2 Typical results
Table E.1 — Definition and identification of measured hazes
30 Figure E.1 — Typical results obtained on Self Cleaning coated glass 1 in Lab A
31 Figure E.2 — Typical results obtained on SiO2 coated glass in Lab A
E.3 Results interpretation
32 Figure E.3 — Ranking analysis for products and test sites in the RR test
33 Bibliography

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BS EN 1096-5:2016
$167.15