ISO 3262-9:2023
Extenders — Specifications and methods of test — Part 9: Calcined clay
Extenders — Specifications and methods of test — Part 9: Calcined clay
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 8
- Дата публикации:
- 14 июля 2023 г.
- Издание:
- ISO IS 3262 edition 2 version 1
- ICS:
- 87.060.10
This document specifies requirements and corresponding methods of test for calcined clay.
Abstract
Overview
ISO 3262-9:2023 - "Extenders - Specifications and methods of test - Part 9: Calcined clay" specifies requirements and corresponding test methods for calcined clay used as an extender. The standard defines essential and conditional properties, sampling rules and laboratory procedures (including a referee particle-size method) to ensure consistent quality and reproducible test results for calcined clay powders.
Key topics and technical requirements
- Scope: Requirements and test methods specific to calcined clay (aluminium silicate produced by thermal dehydration of natural clay).
- Composition tests: Minimum aluminium silicate content (Al2O3·2SiO2) determined by X‑ray fluorescence or alkaline fusion (methods listed in the standard).
- Physical limits by grade (A, B, C):
- Residue on 45 µm sieve (max): 0.02% (A), 0.05% (B), 0.1% (C) - ISO 787‑18.
- **Particle size
Технические детали
- Технический комитет
- ISO/TC 256 - Pigments, dyestuffs and extenders
- SKU
- ISO 3262-9:2023
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