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BS EN ISO 787-7:2009

BS EN ISO 787-7:2009

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General methods of test for pigments and extenders Determination of residue on sieve. Water method. Manual procedure

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

11-30-2009

Publisher

British Standards Institution

Foreword
1 Scope
2 Normative references
3 Sampling
4 Apparatus
5 Procedure
6 Expression of results
7 Test report
Annex A (normative) - Mechanical stirrer

Describes a general method of test for determining the residue on sieve from a sample of pigment or extender dispersed in water.

This part of ISO787 specifies a general method of test for determining the residue on sieve from a sample of pigment or extender dispersed in water.

ISO787-18, General methods of test for pigments and extenders— Part18: Determination of residue on sieve— Mechanical flushing procedure, specifies a general method of test for determining the residue on sieve from a sample of pigment or extender by a mechanical flushing procedure.

For most pigments and extenders, ISO787-7 and ISO787-18 will usually give different results, and it is therefore essential to state clearly in a specification which method is to be used and, in the test report, which method has been used.

NOTE The general methods given in the various parts of ISO787 are usually applicable to any pigment or extender. Thus only a cross-reference to the appropriate part of ISO787 needs to be included in the International Standard giving the specification for that pigment or extender, indicating any detailed modifications that may be needed in view of the special properties of the material in question. Only when the general methods are not applicable to a particular material should a different method for determination of residue on sieve be specified.

Committee
W/-
DevelopmentNote
Supersedes BS 3483-B3(1982) and 08/30184575 DC. (11/2009) Reviewed and confirmed by BSI, April 2013. (03/2013)
DocumentType
Standard
Pages
14
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
ISO 787-7:2009 Identical
EN ISO 787-7 : 2009 Identical

ISO 4793:1980 Laboratory sintered (fritted) filters — Porosity grading, classification and designation
ISO 565:1990 Test sieves — Metal wire cloth, perforated metal plate and electroformed sheet — Nominal sizes of openings
ISO 3262-9:1997 Extenders for paints — Specifications and methods of test — Part 9: Calcined clay
ISO 15528:2013 Paints, varnishes and raw materials for paints and varnishes Sampling

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Hardcopy - English
PDF - English
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