This standard has been reviewed* and then confirmed in 2012.
ISO 3923-1:2008 specifies the funnel method for the determination of the apparent density of metallic powders under standardized conditions.
The method is intended for metallic powders that flow freely through a 2,5 mm diameter orifice. It may, however, be used for powders that flow with difficulty through a 2,5 mm diameter orifice but flow through a 5 mm diameter orifice.
Methods for the determination of the apparent density of powders that will not flow through a 5 mm diameter orifice are specified in ISO 3923-2.
Edition: 3 (Monolingual) ICS: 77.160 Status: Published Stage: 90.93 (2012-01-20) TC/SC: ISO/TC 119/SC 2 Number of Pages: 5
Revises: ISO 3923-1:1979