BS EN 927-6:2018 – TC:2020 Edition
$186.33
Tracked Changes. Paints and varnishes. Coating materials and coating systems for exterior wood – Exposure of wood coatings to artificial weathering using fluorescent UV lamps and water
| Published By | Publication Date | Number of Pages |
| BSI | 2020 | 53 |
This part of EN 927 specifies a method for determining the resistance of wood coatings to artificial weathering performed in an apparatus equipped with fluorescent UV lamps, condensation and water spray devices.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 29 | undefined |
| 36 | 1 Scope 2 Normative references 3 Terms and definitions |
| 37 | 4 Principle 5 Apparatus 5.1 Test chamber 5.2 Lamps 5.3 Device for wetting the test panels 5.4 Black panel thermometer 5.5 Irradiance control |
| 38 | 6 Test panels 6.1 Wood |
| 39 | 6.2 Preparation and selection of wood panels 6.3 Preparation of coated panels 6.3.1 Wood conditioning 6.3.2 Preparation of panels for the test coating 6.3.3 Conditioning 7 Procedure 7.1 Examination before exposure |
| 40 | 7.2 Mounting the test panels 7.3 Exposure 7.3.1 Exposure cycle 7.3.2 Sample rotation and maintenance 7.3.3 Duration of test 7.4 Examination of test panels |
| 41 | 8 Precision |
| 43 | 9 Expression of results and test report |
| 44 | Annex A (normative)Details of the test methods A.1 Gloss and change of gloss A.2 Colour and colour change A.3 Blistering A.4 Flaking A.5 Cracking A.6 Chalking |
| 45 | A.7 General appearance A.8 Adhesion A.8.1 General A.8.2 Apparatus and material A.8.2.1 Cutting tool A.8.2.2 Adhesive tape A.8.3 Procedure |
| 46 | Annex B (informative)Explanatory notes B.1 Explanation of exposure cycle B.2 Reproducibility B.3 Correlation to natural weathering B.4 Dependency on wood species and substrate B.5 Recommendation of periodical performance assessments |
| 47 | Annex C (informative)Test for heartwood in pine |
| 48 | Annex D (informative)Water treatment, devices for water purification |
| 49 | Annex E (normative)Test for abnormally porous wood |
| 50 | Annex F (informative)Alternative procedure for preparation and coating of panels |
| 51 | Annex G (informative)Determination of adhesive strength of tape on test surface |
