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Specification	Bulk Density	Apparent Density	Close Pressure	Crush Resistance(%)	Sphericity/Roundness
	(g/cm3)	(g/cm3)	(Mpa)
High Density	>1.80	>3.3	69	≤7.0	>0.85
20/40mesh
High Density	>1.80	>3.3	69	≤25	>0.85
16/30mesh
Medium Density	1.65-1.8	3.1-3.35	69	≤6.0	>0.85
20/40mesh
Medium Density	1.65-1.8	3.1—3.4	69	≤5.0	>0.85
30-50mesh
Medium Density	1.65-1.8	3.1-3.4	69	≤5.0	>0.85
40/70mesh
Low Density	<1.65	≤3.1	52	≤8.0	>0.85
20/40mesh

12/18 mesh oil fracturing ceramic proppant