ISO/WD 19990
Natural stones - Determination of water absorption, density, porosity, and bulk specific gravity
Reference number
ISO/WD 19990
Edition 1
Working draft
ISO/WD 19990
A working group has prepared a draft.


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.

General information

  •  : Under development
    : Close of comment period [20.60]
  •  : 1
  • ISO/TC 327
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