Reference number
ISO 8841:1991
ISO 8841:1991
© ISO 2024
International Standard
ISO 8841:1991
Dense, shaped refractory products — Determination of permeability to gases
Edition 1
1991-09
1991-09
ISO 8841:1991
16318
Published
(Edition 1, 1991)
This publication was last reviewed and confirmed in 2022.
Therefore this version remains current.
Abstract
The method specified takes account of the dynamic viscosity of the gas, and therefore the results obtained may not be directly comparable with those obtained by earlier methods. Describes the principle, the apparatus, the test pieces and procedure, the expression of results, and the contents of the test report.