AZS25Zirconia corundum
Size and composition of the packing density:
	The most coarse-grained	coarse-grained		Basic grains		Grains mixed		Fine		Packing density
Size	um	um	%	um	%	um	%	um	%	g/cm3)
F4	8000	5600	15 - 30	4750	30	4750 + 4000	60	3350	5
F6	5600	4000	15 - 30	3350	35	3350 + 2800	55	2360	3
F8	4750	3350	9 - 24	2800	30	2800 + 2360	65	2000	3	2.300-2.440
F10	4000	2800	2 - 17	2360	20	2360 + 2000	60	1700	3	2.420-2.530
F12	3350	2360	2 - 17	2000	20	2000 + 1700	60	1400	5	2.385-2.495
F14	2360	1700	20 - 40	1400	35	1400 + 1180	60	1000	5	2.350-2.460
F16	2000	1400	5 - 25	1180	30	1180 + 1000	60	850	5	2.315-2.425
F20	1700	1180	20	1000	25	1000 + 850	60	710	10	2.285-2.395
F24	1180	850	25	710	45	710 + 600	65	500	3	2.250-2.360
F30	1000	710	25	600	45	600 + 500	65	425	3	2.230-2.340
F36	850	600	25	500	45	500 + 425	65	355	3
For the heavy wheel
AZF25Zirconia corundum
Size and composition of the packing density
	The most coarse-grained	coarse-grained		Basic grains		Grains mixed		Fine		Packing density
Size	um	um	%	um	%	um	%	um	%	g/cm3)
F8	4750	3350	8 - 23	2800	30	2800 + 2360	65	2000	3	2.10 - 2.28
F10	4000	2800	2 - 17	2360	20	2360 + 2000	60	1700	5	2.20 - 2.38
F12	3350	2360	1 - 16	2000	20	2000 + 1700	60	1400	5	2.16 - 2.34
F14	2360	1700	20 - 40	1400	35	1400 + 1180	60	1000	5	2.10 - 2.28
F16	2000	1400	5 - 25	1180	30	1180 + 1000	60	850	5	2.05 - 2.26
F20	1700	1180	20	1000	25	1000 + 850	60	710	10	2.00 - 2.24
F22	1400	1000	25	850	45	850 + 710	65	600	3	1.97 - 2.25
F24	1180	850	25	710	45	710 + 600	65	500	3	1.99 - 2.22
F30	1000	710	25	600	45	600 + 500	65	425	3	1.98 - 2.22
F36	850	600	25	500	45	500 + 425	65	355	3	1.93 - 2.11
F46	710	425	30	355	30	355 + 300	65	212	5	1.92 - 2.10
F54	600	355	35	300	25	300 + 250	60	180	5	1.90 - 2.08
F60	500	300	35	250	35	250 + 212	60	150	5	1.87 - 2.05
F70	425	250	25	212	35	212 + 180	65	125	5	1.86 - 2.04
F80	355	212	35	180	30	180 + 150	60	106	5	1.85 - 2.04
F90	300	180	25	150	35	150 + 125	60	90	5	1.85 - 2.03
F100	250	150	25	125	30	125 + 106	55	63	5	1.85 - 2.03
F120	212	125	25	106	20	106 + 90	50	53	5	1.88 - 2.02
F150	180	106	25	75	30	75 + 63	60	45	5	1.88 - 2.01
F180	180	90	20	63	30	63 + 53	60	-	-	1.88 - 2.00
F220	150	75	15	53	30	53 + 45	50	-	-	1.88 - 2.00
The main round of the sand used to cut

Chemical composition       AL2O3 74.65%       ZRO2 24.13%      SIO2 0.18%      FE2O3 0.13%      NA2O 0.06%