Dense, shaped refractory products — Determination of permeability to gases
NORMA vydaná dňa 10.10.1991
Označenie normy: ISO 8841:1991
Dátum vydania normy: 10.10.1991
Počet strán: 5
Približná hmotnosť: 15 g (0.03 libier)
Krajina: Medzinárodná technická norma
Kategória: Technické normy ISO
Description / 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.