BS EN 1279-4:2018 – TC:2020 Edition
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Tracked Changes. Glass in Building. Insulating Glass Units – Methods of test for the physical attributes of edge seal components and inserts
| Published By | Publication Date | Number of Pages |
| BSI | 2020 | 152 |
This document specifies the requirements and describes the test methods for edge seal components and inserts. This includes the identification, the determination of physical attributes and the evaluation of characteristics for use in substitution rules in accordance with EN 1279 1:2018. For the purpose to demonstrate that edge seal components will allow the insulating glass unit to conform to the requirements given in EN 1279 1:2018, Clause 6, EN 1279 2:2018 and EN 1279 3:2018 also apply.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 90 | undefined |
| 97 | 1 Scope 2 Normative references 3 Terms and definitions |
| 98 | 4 Symbols and abbreviations 4.1 Symbols and units |
| 99 | 4.2 Abbreviated terms 4.3 Indexes 5 Requirements for sealants 5.1 General |
| 100 | 5.2 Physicochemical characterization |
| 101 | 5.3 Outer sealant strength |
| 102 | 5.4 Additional requirements 5.5 Characteristics for the substitution of sealants 5.5.1 Crossover stress (σC) 5.5.2 Water vapour transmission rate (WVTR) 5.5.3 Gas permeation rate (GPR) 5.6 Test report for sealant |
| 105 | 6 Requirements for desiccants in bulk 6.1 General 6.2 Physicochemical characterization of desiccants in bulk 6.2.1 X-ray Fluorescence Spectroscopy (XRF) 6.2.2 X-ray Diffraction (XRD) 6.2.3 Bulk density 6.2.4 Available Water Adsorption Capacity (AWAC) 6.2.5 Correlation between ΔT, available water adsorption capacity (AWAC) and loss on ignition (LOI) |
| 107 | 6.3 Performance requirements 6.3.1 Loss on Ignition (LOI at 540 °C) 6.3.2 Standard moisture adsorption capacity (Tc) 6.3.3 Gas desorption 6.4 Additional requirements 6.5 Report for desiccants in bulk |
| 109 | 7 Requirements for preformed flexible spacer incorporating desiccant 7.1 General 7.2 Physicochemical characterization 7.2.1 Identification 7.2.2 Tc and To values |
| 110 | 7.3 Additional requirements 7.4 Report 8 Requirements for inserts containing polymer based materials 8.1 General 8.2 Water content 8.3 Volatile content 8.4 Fogging 8.5 Report |
| 111 | Annex A (normative)Adhesion test for outer sealants and metal edge seals A.1 Outer sealants A.1.1 Test specimens |
| 112 | A.1.2 Exposure conditions for sample ageing A.1.2.1 General A.1.2.2 Exposure to UV followed by exposure to temperature and moisture (series 2) |
| 113 | A.1.2.3 Water immersion (series 3) A.1.3 Tensile test and expression of results |
| 115 | A.2 Metallic edge seals |
| 117 | Annex B (normative)Adhesion on coatings and interlayer adhesion of coatings B.1 General B.2 Composition of coatings B.3 Evaluation B.3.1 General B.3.2 Evaluation by testing |
| 118 | B.3.3 Evaluation by use of previously obtained test reports |
| 119 | B.4 Test report |
| 122 | Annex C (normative)Fogging test C.1 General C.2 Principle of the test C.3 Test conditions C.4 Visual inspection and requirements |
| 123 | C.5 Exposure equipment C.6 Test report |
| 127 | Annex D (normative)Methods of water vapour transmission rate and gas permeation rate determination D.1 Method for determination of water vapour transmission rate (WVTR) D.1.1 General D.1.2 Principle D.1.3 Apparatus D.1.3.1 Test dish D.1.3.2 Test cabinet |
| 128 | D.1.3.3 Balance D.1.4 Materials D.1.5 Test samples D.1.6 Procedure |
| 129 | D.1.7 Calculation and analysis of results D.1.7.1 General D.1.7.2 Dummy sample D.1.7.3 Graphic analysis D.1.7.4 Numerical analysis D.1.7.5 Calculation |
| 130 | D.1.8 Accuracy of the method D.2 Method for determination of gas permeation rate (GPR) D.2.1 Principle D.2.2 Apparatus |
| 131 | D.2.3 Materials and reagents D.2.4 Experimental setup D.2.5 Test samples |
| 132 | D.2.6 Procedure D.2.7 Accuracy of the method |
| 133 | Annex E (normative)Test methods for desiccants in bulk E.1 Determination of loss on ignition LOI, Ti and Tf (at 540 °C) E.1.1 Principle E.1.2 Material and apparatus E.1.3 Procedure |
| 134 | E.1.4 Calculation of LOI at 540 °C E.1.5 Accuracy of the method E.2 Determination of available water adsorption capacity (AWAC) E.2.1 Principle E.2.2 Materials and apparatus |
| 135 | E.2.3 Procedure E.2.4 Calculation E.2.5 Accuracy of the method |
| 136 | E.3 Calculation of the standard moisture adsorption capacity (Tc) E.4 Determination of gas desorption E.4.1 Principle E.4.2 Materials and apparatus E.4.3 Procedure E.4.3.1 Sample preparation |
| 137 | E.4.3.2 Measurement procedure |
| 138 | E.4.4 Calculation E.4.5 Accuracy of the method E.5 Bulk density E.5.1 Principle E.5.2 Materials and apparatus |
| 139 | E.5.3 Procedure |
| 140 | E.5.4 Calculation E.5.5 Accuracy of the method |
| 141 | Annex F (normative)Karl Fischer method for determination of moisture content of polymeric matrices incorporating desiccant F.1 General F.2 Materials and apparatus F.3 Preparatory work |
| 142 | F.4 Determination of moisture content To, Ti and Tf F.4.1 Preparation of the mesh F.4.2 Sample preparation F.4.3 Procedure |
| 143 | F.4.4 Calculation of moisture content F.5 Determination of standard moisture adsorption capacity Tc F.6 Accuracy of the method |
| 144 | Annex G (normative)Gravimetric method for determination of moisture content of polymeric matrices incorporating desiccant G.1 General G.2 Materials and apparatus G.3 Determination of To, Ti, Tf and Tc G.3.1 Sample preparation |
| 145 | G.3.2 Test procedure G.3.3 Calculation of the results |
| 146 | Annex H (normative)Volatile content test H.1 General H.2 Principle of the test H.3 Apparatus H.4 Test samples H.5 Test procedure |
| 147 | H.6 Test report |
| 148 | Annex I (informative)Example of a sun simulating radiation source |
| 149 | Annex J (informative)Sealant sheet preparation for WVTR and GPR measurements J.1 Preparation of sheets J.2 Method 1 J.3 Method 2 |
| 150 | J.4 Evaluation of sheet |
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