ISO/WD 19990

Natural stones - Determination of water absorption, density, porosity, and bulk specific gravity

General information

Current stage: 20.60 Effective date: May 23, 2024

Originator: ISO

Owner: ISO/TC 327

Type: International Standard

Scope

The purpose of this standard is to determine the specifications and test methods of natural stones relating to water absorption, range of applicability, unit of measurement and conversions, and provide guidance on health and environment safety. This standard does not address the user's responsibility and local regulatory considerations.

Life cycle

NOW

IN_DEVELOPMENT
ISO/WD 19990
20.60 Close of comment period
May 23, 2024

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