ISO 3262-7:2023
(Main)Extenders - Specifications and methods of test - Part 7: Dolomite
Extenders - Specifications and methods of test - Part 7: Dolomite
This document specifies requirements and corresponding methods of test for dolomite.
Matières de charge — Spécifications et méthodes d'essai — Partie 7: Dolomie
Le présent document spécifie les exigences relatives à la dolomie ainsi que les méthodes d’essai correspondantes.
General Information
Relations
Overview
ISO 3262-7:2023 is an international standard specifying the requirements and test methods for dolomite used as an extender. Dolomite, a natural calcium magnesium carbonate mineral, serves as a crucial raw material in various industrial applications, especially coatings, paints, and construction materials. This second edition updates the 1998 version to incorporate revised test methods and normative references, providing a clear framework for quality assurance and consistency in dolomite products worldwide.
Key Topics
- Scope: Defines specifications and corresponding test methods specifically for dolomite used as an extender.
- Dolomite Definition: Natural calcium magnesium carbonate with a specific chemical composition ratio between CaCO₃ and MgCO₃.
- Essential Requirements:
- Calcium magnesium carbonate content (CaMg(CO₃)₂) with grade-specific minimum mass fractions.
- Matter volatile at 105 °C.
- Loss on ignition percentage.
- Matter insoluble in hydrochloric acid and soluble in water limits.
- pH range of aqueous suspensions.
- Conditional Requirements:
- Residue on 45 µm sieve.
- Particle size distribution analyzed by laser diffraction.
- Colour and lightness to be agreed upon by stakeholders.
- Resistivity of aqueous extracts.
- Sampling and Test Reporting:
- Guidelines based on ISO 15528 for representative sampling.
- Detailed test reports including product identification, test methods, compliance statements, and observations.
Applications
ISO 3262-7:2023 is essential for manufacturers, suppliers, and quality control specialists working with dolomite-based extenders. Its practical applications include:
- Paints and Coatings Industry: Ensuring consistent extender quality enhances pigment dispersion and coating durability.
- Construction Materials: Provides standards to confirm filler properties and compositional uniformity, influencing concrete and plaster performance.
- Plastics and Rubber Industry: Used as a mineral filler, dolomite adhering to this standard optimizes mechanical properties.
- Quality Assurance Labs: Utilize the prescribed test methods for verifying dolomite quality, particle size, chemical composition, and other critical attributes.
Implementing ISO 3262-7 supports product integrity, regulatory compliance, and international trade by harmonizing testing and specification criteria.
Related Standards
This part of ISO 3262 is part of a broader series addressing extenders and their testing methods:
- ISO 3262-1: Introduction and general test methods for extenders.
- ISO 787 Series: General methods of test for pigments and extenders, including determination of volatile matter, matter soluble in water, residue on sieve, pH value, and resistivity.
- ISO 8130-13: Particle size analysis by laser diffraction for coating powders, referenced here for dolomite particle size.
- ISO 15528: Guidelines for sampling paints, varnishes, and raw materials, critical for obtaining representative dolomite samples.
- ISO 18451-1: Terminology related to pigments, dyestuffs, and extenders, ensuring consistent vocabulary.
For additional information and other parts in the ISO 3262 series, visit the ISO website at www.iso.org.
Keywords: ISO 3262-7:2023, dolomite specifications, dolomite test methods, calcium magnesium carbonate, extenders standard, particle size distribution, pigments and extenders, industrial dolomite quality, ISO extenders series, dolomite sampling and testing.
Frequently Asked Questions
ISO 3262-7:2023 is a standard published by the International Organization for Standardization (ISO). Its full title is "Extenders - Specifications and methods of test - Part 7: Dolomite". This standard covers: This document specifies requirements and corresponding methods of test for dolomite.
This document specifies requirements and corresponding methods of test for dolomite.
ISO 3262-7:2023 is classified under the following ICS (International Classification for Standards) categories: 87.060.10 - Pigments and extenders. The ICS classification helps identify the subject area and facilitates finding related standards.
ISO 3262-7:2023 has the following relationships with other standards: It is inter standard links to ISO/TR 14997-2:2022, ISO 3262-7:1998. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
You can purchase ISO 3262-7:2023 directly from iTeh Standards. The document is available in PDF format and is delivered instantly after payment. Add the standard to your cart and complete the secure checkout process. iTeh Standards is an authorized distributor of ISO standards.
Standards Content (Sample)
INTERNATIONAL ISO
STANDARD 3262-7
Second edition
2023-07
Extenders — Specifications and
methods of test —
Part 7:
Dolomite
Matières de charge — Spécifications et méthodes d'essai —
Partie 7: Dolomie
Reference number
© ISO 2023
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
or ISO’s member body in the country of the requester.
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CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii
Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Requirements . 2
5 Sampling . 2
6 Test report . 2
iii
Foreword
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This document was prepared by Technical Committee ISO/TC 256, Pigments, dyestuffs and extenders, in
collaboration with the European Committee for Standardization (CEN) Technical Committee CEN/TC
298, Pigments and extenders, in accordance with the Agreement on technical coop
...
NORME ISO
INTERNATIONALE 3262-7
Deuxième édition
2023-07
Matières de charge — Spécifications et
méthodes d'essai —
Partie 7:
Dolomie
Extenders — Specifications and methods of test —
Part 7: Dolomite
Numéro de référence
DOCUMENT PROTÉGÉ PAR COPYRIGHT
© ISO 2023
Tous droits réservés. Sauf prescription différente ou nécessité dans le contexte de sa mise en œuvre, aucune partie de cette
publication ne peut être reproduite ni utilisée sous quelque forme que ce soit et par aucun procédé, électronique ou mécanique,
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être demandée à l’ISO à l’adresse ci-après ou au comité membre de l’ISO dans le pays du demandeur.
ISO copyright office
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Tél.: +41 22 749 01 11
E-mail: copyright@iso.org
Web: www.iso.org
Publié en Suisse
ii
Sommaire Page
Avant-propos .iv
1 Domaine d’application . 1
2 Références normatives .1
3 Termes et définitions . 1
4 Exigences . 2
5 Échantillonnage .2
6 Rapport d’essai . 3
iii
Avant-propos
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Le présent document a été élaboré par le comité technique ISO/TC 256, Pigments, colorants et matières
de charge, en collaboration avec le comité technique CEN/TC 298, Pigments et matières de charge, du
Comité européen de normalisation (CEN) conformément à l’Accord de coopération technique entre l’ISO
et le CEN (Accord de Vienne).
Cette deuxième édition annule et remplace la première édition (ISO 3262-7:1998), qui a fait l’objet d’une
révision technique.
Les principales modifications sont les suivantes:
— modification de la
...
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