Mechanical Mill Screen Chart PYRAMID LINE COUNT Depth in Microns Cell Volume cm3/m2 LPI (LPC) LINE COUNT LPI (LPC) Depth in Microns Cell Volume cm3/m2 15 (6) 558 186 115 (43) 86 22.9 16 (6) 526 155.15 115 (43) 46 11.5 16 (6) 394 97.2 120 (47) 75 21.7 17 (7) 683 249.1 120 (47) 66 20.1 20 (8) 652 192.2 125 (49) 62 17.8 25 (10) 532 130.6 130 (51) 60 16.7 25 (10) 340 97.3 150 (59) 44 14.1 30 (12) 35 (14) 228 90.6 150 (59) 38 12.2 300 92.0 150 (59) 33 10.6 35 (14) 126 44.3 160 (63) 75 17.6 40 (16) 228 66.1 160 (63) 60 14.3 40 (16) 178 58.2 165 (63) 50 13.1 42 (17) 147 43.3 165 (63) 38 10.5 45 (18) 234 75.1 165 (63) 33 9.4 45 (18) 170 45.8 175 (69) 50 11.6 50 (20) 215 65.2 175 (69) 38 9.1 55 (22) 268 72.0 180 (71) 50 11.6 55 (22) 200 50.6 180 (71) 40 10.7 55 (22) 160 43.5 180 (71) 40 10.4 55 (22) 114 36.5 180 (71) 20 6.5 60 (24) 140 39.6 200 (79) 38 8.9 60 (24) 74 28.2 200 (79) 30 7.4 65 (26) 114 37.5 210 (83) 50 11.4 70 (28) 75 (30) 75 (30) 104 177 126 29.9 59.3 39.3 220 (87) 225 (89) 250 (98) 50 37 44 10.5 8.3 11.1 75 (30) 106 27.9 250 (98) 40 10.6 85 (33) 111 35.9 250 (98) 36 10.1 85 (33) 86 27.1 250 (98) 18 7.2 85 (33) 60 20.6 300 (118) 25 8.5 90 (35) 121 34.7 300 (118) 22 8.1 90 (35) 100 29.1 360 (142) 28 9.1 90 (35) 66 18.7 360 (142) 24 7.5 100 (39) 126 29.7 360 (142) 20 5.4