BS EN 927-5:2023
$102.76
Paints and varnishes. Coating materials and coating systems for exterior wood – Assessment of the liquid water permeability
Published By | Publication Date | Number of Pages |
BSI | 2023 | 22 |
This document specifies a test method for assessing the liquid water permeability of coating systems for exterior wood.
PDF Catalog
PDF Pages | PDF Title |
---|---|
2 | undefined |
7 | 1 Scope 2 Normative references 3 Terms and definitions 4 Principle |
8 | 5 Test panels 5.1 Wood |
9 | 5.2 Preparation and selection of test panels 5.3 Preparation of coated and sealed panels 5.3.1 Wood conditioning 5.3.2 Panel selection |
11 | 5.3.3 Coating application 5.3.4 Sealing and conditioning |
12 | 5.3.5 Dry film thickness 6 Apparatus 7 Procedure 7.1 Pre-conditioning |
13 | 7.2 Absorption cycle 7.3 Optional testing of weathered panels 8 Calculation and expression of results 9 Precision 9.1 Repeatability (r) 9.2 Reproducibility (R) |
14 | 10 Test report |
15 | Annex A (informative)Interpretation of test results and further calculation |
16 | Annex B (informative)Suggested form for specifying application parameters B.1 General B.2 Specifying complete coating system B.3 Equipment B.4 Process B.5 Spreading rate |
17 | B.6 Flash-off B.7 Drying and curing B.8 Overcoating intervals B.9 Sanding |