|
Properties size
|
12/20
|
16/20
|
16/30
|
20/40
|
|
|
density g/cc
|
apparent density g/cc
|
≤3.35
|
≤3.35
|
≤3.35
|
≤3.35
|
|
bulk density g/cc
|
≥1.80
|
≥3.80
|
≥3.80
|
≥3.80
|
|
|
sphericity
|
≥0.9
|
≥0.9
|
≥0.9
|
≥0.9
|
|
|
roundness
|
≥0.9
|
≥0.9
|
≥0.9
|
≥0.9
|
|
|
turbility NTU
|
＜25
|
＜25
|
＜25
|
＜25
|
|
|
acid solubility (12%HCL+3%HF)%
|
≤6
|
≤6
|
≤6
|
≤6
|
|
|
crush resistance %
|
52MPa(75000Psi)
|
|
|
≤7
|
|
|
69MPa(10000Psi)
|
≤20
|
≤20
|
≤11
|
≤6
|
|
|
86MPa(12500psi)
|
|
|
|
≤8
|
|
