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Particle shape: Solid ball Color:Earth white Average particle size: 10-46um, 40-61um Loose density g/cm3: 1.3 ~ 1.7, 1.2~1.6 Solid density g/cm3:2.0~2.5,1.8~2.4 Resistivity ω.cm:~1.0×10-3,~1.0×10-3