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Norm
ÖNORM EN ISO 787-18
Issue date: 1995 11 01
General methods of test for pigments and extenders - Part 18: Determination of residue on sieve - Mechanical flushing procedure (ISO 787-18:1983)
1.1 This part of ISO 787 specifies a general method for determining
the residue on a sieve from a Sample of Pigment or
extender dispersed in water, using a mechanical f...
Valid
Publisher:
Austrian Standards International
Format:
Digital | 9 Pages
Language:
German
| English
| Download GER/ENG
Optionally co-design standards:
ICS
1.1 This part of ISO 787 specifies a general method for determining
the residue on a sieve from a Sample of Pigment or
extender dispersed in water, using a mechanical flushing
procedure. This method tan also be applied to the examination
of other powders or granules which are insoluble in water. lt is
neither applicable to hydrophobic nor pelletized Pigments and
extenders.
1.2 ISO 787/7 specifies a general method of test for determining
the residue on a sieve from a Sample of Pigment or
extender dispersed in water, using a manual procedure.
1.3 For most Pigments and extenders, these two test
methods will 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 - When either of these general methods is applicable to a given
Pigment or extender, only a Cross-reference to it should be included in
the International Standard relating to that Pigment or extender, with a
note of any detailed modification which may be needed in view of the
special properties of the material under consideration. Only when
neither of these general methods is applicable to a particular material a
special method for determination of residue on sieve should be
specified .
Norm
Issue date :
1983 02 01
General methods of test for pigments and extenders — Part 18: Determination of residue on sieve — Mechanical flushing procedure