Grades

Name	Nominal Size (mm)	Loose Poured Bulk Density (kg/m)	Datasheets
P05 Ultrafine	0.01 - 1.0	90 - 180	P05
P3 Cryogenic	0.75 - 1.2	35 - 55 (LW) 80 - 90 (HD)
P6 Extra Fine	0.10 - 1.70	45 - 85
P10 Super Fine	0.15 - 2.0	80 - 100	P10
P15 Medium	0.15 - 3.0	80 - 100	P15
P25 Special	1.0 - 3.0	55 - 75
P35 Standard	1.0 - 5.0	85 - 110	P35
PCLG Chimney Lining Grade	1.0 - 5.0	85 - 110
P321 Through Grade	0.15 - 6.0	95 - 110
P40 Extra Coarse	3.0 - 6.0	85 - 105
P45 Super Coarse	1.0 - 6.0	95 - 110

Note: Nominal particle size indicates the 80% band i.e. up to 10% above of below the specified range