Grade sale part Mfi (dg/min) density (kg/m3) Hch 5020 hbm5020 22 950 Hb5020 Hch 5520 hbm5520 23 955 Hb5520 Hch5510 hbm5510 10 955 Hb5510 Hch5110a hfi5110 10 951 Hf5110 Hcm4265 Hbm4265 6.5 942 Hb4265 Mch 3713 mfi3713 13 937 Mf3713 Mch 3313 mfi3313 Mf3313 13 933 Mch3820 Mfi3820 20 932 Mf3820