Product	−20 µm	−10 µm	−5 µm	−2 µm	−1 µm	Quantity (%)
Product	−20 µm	−10 µm	−5 µm	−2 µm	−1 µm	Kaolin	Quartz
2-inch O/F	94	89	70	31	11	68	28
10 mm O/F	99	99	96	68	33	80	15
10 mm U/F	99	89	63	17	6	64	32