The apparatus required consisting of the essential parts as funnel, calibrated cylindrical receiver and closure plate (to cover the bottom of the funnel), is shown in a figure. The funnel may be constructed of any suitable material, for example, stainless steel, plastics or wood. The test is carried out by determining the mass of the product in the receiver of known dimensions after running the sample out of the funnel of specified shape under specified conditions.
ISO 3424:1975Stage: 95.99
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