BS EN ISO 787-25:2019
$102.76
General methods of test for pigments and extenders – Comparison of the colour, in full-shade systems, of white, black and coloured pigments. Colorimetric method
| Published By | Publication Date | Number of Pages |
| BSI | 2019 | 16 |
This document specifies a general test method for comparing the colour, in full-shade systems, of white, black or coloured pigments with that of an agreed reference pigment, using a colorimetric procedure.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 2 | undefined |
| 4 | European foreword Endorsement notice |
| 6 | Foreword |
| 7 | 1 Scope 2 Normative references 3 Terms and definitions |
| 8 | 4 Principle 5 Materials 5.1 Alkyd resin (binder) 5.2 Fumed silica |
| 9 | 5.3 Preparation of the test medium 6 Apparatus |
| 11 | 7 Sampling 8 Procedure 8.1 General 8.2 Test portion 8.2.1 Generals 8.2.2 White pigments 8.2.3 Coloured and black pigments 8.3 Preparation of pigment dispersions |
| 12 | 8.4 Preparation of test specimens 8.4.1 General 8.4.2 White pigments 8.4.3 Coloured and black pigments 8.5 Measurement |
| 13 | 9 Expression of results 9.1 White pigments and black pigments 9.1.1 Relative hue |
| 14 | 9.1.2 Amount of relative hue 9.2 Lightness difference 9.3 Coloured pigments 10 Test report |
| 15 | Bibliography |
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BS EN ISO 787-25:2019 – TC:2020 Edition
Tracked Changes. General methods of test for pigments and extenders – Comparison of the colour,…
