DS DS/EN ISO 4490
DS DSEN SO 4490 2008-SEP-09 Metallc powders - Determnaton of flow rate by means of a calbrated funnel Hall flowmeter
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This International Standard 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.