ISO 4490:2018

Metallic powders - Determination of flow rate by means of a calibrated funnel (Hall flowmeter)

ISO 4490:2018 specifies a method for determining the flow rate of metallic powders, including powders for hard metals, by means of a calibrated funnel (Hall flowmeter).

The method is applicable only to powders which flow freely through the specified test orifice.

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