BS EN ISO 787-7:2009
Current
The latest, up-to-date edition.
General methods of test for pigments and extenders Determination of residue on sieve. Water method. Manual procedure
Hardcopy , PDF
English
30-11-2009
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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.
| 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 |
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.
| 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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