General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 31057.1-2014
Scope
This part of GB/T 31057 specifies the basic principles and methods of bulk density testing of powders. This section applies to powders with a solid particle diameter of 5 μm to 5 mm. Powders not within this range can be used with reference to this section.
GB/T 31057.1-2014 Referenced Document
GB/T 5314 Powders for powder metallurgical purposes.Sampling
GB/T 31057.1-2014 history
2014GB/T 31057.1-2014 Granular materials.The physical properties.Part 1:Determination of apparent density