ISO 4621:1986

Chrome oxide green pigments — Specifications and methods of test

Publication date: 17 korr 1986

General information

Current stage: 90.93 Effective date: 27 tet 2023

Originator: ISO

Owner: ISO/TC 256

Type: International Standard

ICS: 87.060.10

Gjuha: frëngjisht anglisht

Buying

Statusi: Publikuar

PDF - 4 749 Lekë

Paper - 4 749 Lekë

CD - 4 749 Lekë

Language

Language in which you want to receive the document.

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

NOW

PUBLISHED
ISO 4621:1986
90.93 Standard confirmed
27 tet 2023

Preview

Only informative sections of projects are publicly available. To view the full content, you will need to members of the committee. If you are a member, please log in to your account by clicking on the "Log in" button.