ISO 4490:2008 specifies a method for determining the flow rate of metallic powders, including powders for hardmetals, by means of a calibrated funnel (Hall flowmeter).
The method is applicable only to powders which flow freely through the specified test orifice.
Status : WithdrawnPublication date : 2008-06
Edition : 3
Technical Committee:Sampling and testing methods for powders (including powders for hardmetals)