The ratio of the powder weight to the true volume does not include the enclosed space in the interior of the powder particles
Density of.
Particle density: the volume of particles that are concave and convex around the surface, the volume of which depends mainly on the density
Bulk density: refers to the powder sample in a loose state, uniform and continuous with the known volume measuring cup, said a cup and powder test.The bulk density of the powder sample can be calculated by the quality of the sample.
Density of solids: the powder that is held in a container is obtained by regularly beating a measuring cylinder containing powder
The density after being vibrated is called the real density of vibration.
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