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EN ISO 787-16:1995

Current

Current

General methods of test for pigments and extenders - Part 16: Determination of relative tinting strength (or equivalent colouring value) and colour on reduction of coloured pigments - Visual comparison method (ISO 787-16:1986)

Published date

08-23-1995

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Summarise this standard

Foreword
0 Introduction
1 Scope and field of application
2 References
3 Definitions
4 Principle
5 Materials
6 Apparatus
7 Sampling
8 Procedure
9 Expression of results
10 Test report
Annex ZA (normative) Normative references to international
                     publications with their relevant European
                     publications

The complete procedure consists of four parts: determination of the conditions for the preparation of the dispersion of the coloured pigment, and determination of the ratio of the coloured pigment to white pigment; preparation of the dispersion of the coloured pigment under defined conditions on an automatic muller; mixing the dispersions of coloured pigment and white pigment in a known ratio with a white pigment paste; the strength and undertone of the resulting reduction paste are compared with those of a similar paste made under the same conditions from the agreed reference pigment and the same white pigment paste. - This second edition cancels and replaces the first edition ISO 787/16-1973.

Committee
CEN/TC 298
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Current

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