90.93 Standard confirmed Sep 21, 2022
ISO
ISO/TC 119/SC 3 Sampling and testing methods for sintered metal materials (excluding hardmetals)
International Standard
77.160 Powder metallurgy
Specifies a method for the detrmination of the pore size of filters, porous bearings, porous electrodes and other parts with interconnected porosity. The bubble test shall be considered as a quality control test and not as a test for defining filter grades of determining exact pore size and pore size distribution.
PUBLISHED
ISO 4003:1977
90.93
Standard confirmed
Sep 21, 2022