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SRPS ISO 4621:2015

Chrome oxide green pigments — Specifications and methods of test

Apr 29, 2015

General information

90.93     Oct 27, 2023

90.20    Oct 15, 2028

ISS

H035

International Standard

87.060.10  

English  

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Scope

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).

Life cycle

PREVIOUSLY

WITHDRAWN
SRPS H.C1.032:1967

NOW

PUBLISHED
SRPS ISO 4621:2015
90.93 Standard confirmed
Oct 27, 2023

Related project

Adopted from ISO 4621:1986