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ISO 4003:1977

ISO 4003:1977

Permeable sintered metal materials — Determination of bubble test pore size

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General Information

Status : Active

Standard Type : Main

Document No : ISO 4003:1977

Document Year : 1977

Pages : 3

Edition : 1

Section Volume : Sampling and testing methods for sintered metal materials (excluding hardmetals) (ISO/TC 119/SC 3.)

ICS : Powder metallurgy (77.160)

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.