ISO 4621:1986
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Chrome oxide green pigments — Specifications and methods of test
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English, French
17-07-1986
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Specifies three grades, which shall not be in admixture with other colouring matter of organic or inorganic nature and shall be free from extenders. The pigment consists essentially of chromium(III) oxide (Cr2O3) in the form of a dry powder. Grade 1, these pigments shall contain a residue on a sieve of 45 nm mesh aperture of not more than 0,01 % (m/m); grade 2, under the same conditions, shall contain a residue of more than 0,01 % (m/m) and not more than 0,1 % (m/m) and grade 3 shall contain a residue of more than 0,1 % (m/m) and not more than 0,5 % (m/m).
| Committee |
ISO/TC 256
|
| DevelopmentNote |
Also numbered as BS 318(1988) (07/2005)
|
| DocumentType |
Standard
|
| Pages |
5
|
| PublisherName |
International Organization for Standardization
|
| Status |
Current
|
| Standards | Relationship |
| DIN ISO 4621:1988-11 | Identical |
| 12/30256100 DC : 0 | BS EN 12878 - PIGMENTS FOR THE COLOURING OF BUILDING MATERIALS BASED ON CEMENT AND/OR LIME - SPECIFICATIONS AND METHODS OF TEST |
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| DIN 55943:2001-10 | COLOURING MATERIALS - TERMS AND DEFINITIONS |
| DIN EN 12878:2014-07 | PIGMENTS FOR THE COLOURING OF BUILDING MATERIALS BASED ON CEMENT AND/OR LIME - SPECIFICATIONS AND METHODS OF TEST |
| PREN 12878 : DRAFT 2012 | PIGMENTS FOR THE COLOURING OF BUILDING MATERIALS BASED ON CEMENT AND/OR LIME - SPECIFICATIONS AND METHODS OF TEST |
| BS EN 12878:2014 | Pigments for the colouring of building materials based on cement and/or lime. Specifications and methods of test |
| EN 12878:2014 | Pigments for the colouring of building materials based on cement and/or lime - Specifications and methods of test |
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