WORLD CLASS IN POLYESTER FILM 

backLength vs. Diameter Tables

Six Inch Cores

Outside Diameter
Gauge   12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
42 14,700 18,600 22,800 27,400 32,200 37,300 42,800 48,600 54,600 61,000 67,700 74,700 82,100 89,700 97,600 105,900 114,500 123,300 132,500 142,000 151,900
47 13,200 16,700 20,400 24,500 28,800 33,400 38,200 43,400 48,800 54,500 60,500 66,800 73,300 80,100 87,300 94,600 102,300 110,200 118,400 126,900 135,700
60 10,300 13,000 16,000 19,200 22,500 26,100 30,000 34,000 38,200 42,700 47,400 52,300 57,400 62,800 68,300 74,100 80,100 86,300 92,800 99,400 106,300
72 8,600 10,900 13,300 16,000 18,800 21,800 25,000 28,300 31,900 35,600 39,500 43,600 47,900 52,300 57,000 61,800 66,800 72,000 77,300 82,900 88,600
90 6,900 8,700 10,700 12,800 15,000 17,400 20,000 22,700 25,500 28,500 31,600 34,900 38,300 41,900 45,600 49,400 53,400 57,600 61,900 66,300 70,900
140 4,400 5,600 6,900 8,200 9,700 11,200 12,800 14,600 16,400 18,300 20,300 22,400 24,600 26,900 29,300 31,800 34,300 37,000 39,800 42,600 45,600
142 4,400 5,500 6,800 8,100 9,500 11,000 12,700 14,400 16,200 18,000 20,000 22,100 24,300 26,500 28,900 31,300 33,900 36,500 39,200 42,000 44,900
200 3,100 3,900 4,800 5,700 6,800 7,800 9,000 10,200 11,500 12,800 14,200 15,700 17,200 18,800 20,500 22,200 24,000 25,900 27,800 29,800 31,900
265 2,300 3,000 3,600 4,300 5,100 5,900 6,800 7,700 8,700 9,700 10,700 11,800 13,000 14,200 15,500 16,800 18,100 19,500 21,000 22,500 24,100
300 2,100 2,600 3,200 3,800 4,500 5,200 6,000 6,800 7,600 8,500 9,500 10,500 11,500 12,600 13,700 14,800 16,000 17,300 18,600 19,900 21,300
360 1,700 2,200 2,700 3,200 3,800 4,400 5,000 5,700 6,400 7,100 7,900 8,700 9,600 10,500 11,400 12,400 13,400 14,400 15,500 16,600 17,700
375 1,700 2,100 2,600 3,100 3,600 4,200 4,800 5,400 6,100 6,800 7,600 8,400 9,200 10,000 10,900 11,900 12,800 13,800 14,800 15,900 17,000
390 1,600 2,000 2,500 2,900 3,500 4,000 4,600 5,200 5,900 6,600 7,300 8,000 8,800 9,700 10,500 11,400 12,300 13,300 14,300 15,300 16,400
400 1,500 2,000 2,400 2,900 3,400 3,900 4,500 5,100 5,700 6,400 7,100 7,800 8,600 9,400 10,300 11,100 12,000 13,000 13,900 14,900 15,900
420 1,500 1,900 2,300 2,700 3,200 3,700 4,300 4,900 5,500 6,100 6,800 7,500 8,200 9,000 9,800 10,600 11,400 12,300 13,300 14,200 15,200
460 1,300 1,700 2,100 2,500 2,900 3,400 3,900 4,400 5,000 5,600 6,200 6,800 7,500 8,200 8,900 9,700 10,500 11,300 12,100 13,000 13,900
500 1,200 1,600 1,900 2,300 2,700 3,100 3,600 4,100 4,600 5,100 5,700 6,300 6,900 7,500 8,200 8,900 9,600 10,400 11,100 11,900 12,800
650 1,000 1,200 1,500 1,800 2,100 2,400 2,800 3,100 3,500 3,900 4,400 4,800 5,300 5,800 6,300 6,800 7,400 8,000 8,600 9,200 9,800
750 800 1,000 1,300 1,500 1,800 2,100 2,400 2,700 3,100 3,400 3,800 4,200 4,600 5,000 5,500 5,900 6,400 6,900 7,400 8,000 8,500
800 800 1,000 1,200 1,400 1,700 2,000 2,200 2,500 2,900 3,200 3,600 3,900 4,300 4,700 5,100 5,600 6,000 6,500 7,000 7,500 8,000
900 700 900 1,100 1,300 1,500 1,700 2,000 2,300 2,500 2,800 3,200 3,500 3,800 4,200 4,600 4,900 5,300 5,800 6,200 6,600 7,100
1000 600 800 1,000 1,100 1,400 1,600 1,800 2,000 2,300 2,600 2,800 3,100 3,400 3,800 4,100 4,400 4,800 5,200 5,600 6,000 6,400

Ten Inch Cores

Outside Diameter
Gauge   12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34
42 2,400 6,300 10,500 15,000 19,800 25,000 30,400 36,200 42,300 48,600 55,300 62,400 69,700 77,300 85,300 93,500 102,100 111,000 120,200 129,700 139,500 149,600 160,100
47 2,100 5,600 9,400 13,400 17,700 22,300 27,200 32,300 37,800 43,500 49,500 55,700 62,300 69,100 76,200 83,600 91,200 99,200 107,400 115,900 124,700 133,700 143,000
60 1,700 4,400 7,300 10,500 13,900 17,500 21,300 25,300 29,600 34,100 38,700 43,700 48,800 54,100 59,700 65,500 71,500 77,700 84,100 90,800 97,600 104,700 112,000
72 1,400 3,700 6,100 8,700 11,600 14,600 17,700 21,100 24,700 28,400 32,300 36,400 40,600 45,100 49,700 54,600 59,600 64,700 70,100 75,600 81,400 87,300 93,400
90 1,100 2,900 4,900 7,000 9,200 11,600 14,200 16,900 19,700 22,700 25,800 29,100 32,500 36,100 39,800 43,600 47,600 51,800 56,100 60,500 65,100 69,800 74,700
140 700 1,900 3,100 4,500 5,900 7,500 9,100 10,900 12,700 14,600 16,600 18,700 20,900 23,200 25,600 28,100 30,600 33,300 36,100 38,900 41,800 44,900 48,000
142 700 1,900 3,100 4,400 5,900 7,400 9,000 10,700 12,500 14,400 16,400 18,400 20,600 22,900 25,200 27,700 30,200 32,800 35,500 38,400 41,300 44,300 47,300
200 500 1,300 2,200 3,100 4,200 5,200 6,400 7,600 8,900 10,200 11,600 13,100 14,600 16,200 17,900 19,600 21,400 23,300 25,200 27,200 29,300 31,400 33,600
265 400 1,000 1,700 2,400 3,100 4,000 4,800 5,700 6,700 7,700 8,800 9,900 11,000 12,300 13,500 14,800 16,200 17,600 19,000 20,600 22,100 23,700 25,400
300 300 900 1,500 2,100 2,800 3,500 4,300 5,100 5,900 6,800 7,700 8,700 9,800 10,800 11,900 13,100 14,300 15,500 16,800 18,200 19,500 20,900 22,400
360 300 700 1,200 1,700 2,300 2,900 3,500 4,200 4,900 5,700 6,500 7,300 8,100 9,000 9,900 10,900 11,900 12,900 14,000 15,100 16,300 17,500 18,700
375 300 700 1,200 1,700 2,200 2,800 3,400 4,100 4,700 5,400 6,200 7,000 7,800 8,700 9,500 10,500 11,400 12,400 13,500 14,500 15,600 16,800 17,900
390 300 700 1,100 1,600 2,100 2,700 3,300 3,900 4,600 5,200 6,000 6,700 7,500 8,300 9,200 10,100 11,000 12,000 12,900 14,000 15,000 16,100 17,200
400 200 700 1,100 1,600 2,100 2,600 3,200 3,800 4,400 5,100 5,800 6,500 7,300 8,100 9,000 9,800 10,700 11,700 12,600 13,600 14,600 15,700 16,800
420 200 600 1,000 1,500 2,000 2,500 3,000 3,600 4,200 4,900 5,500 6,200 7,000 7,700 8,500 9,400 10,200 11,100 12,000 13,000 13,900 15,000 16,000
460 200 600 1,000 1,400 1,800 2,300 2,800 3,300 3,900 4,400 5,100 5,700 6,400 7,100 7,800 8,500 9,300 10,100 11,000 11,800 12,700 13,700 14,600
500 200 500 900 1,300 1,700 2,100 2,600 3,000 3,500 4,100 4,600 5,200 5,900 6,500 7,200 7,900 8,600 9,300 10,100 10,900 11,700 12,600 13,400
650 200 400 700 1,000 1,300 1,600 2,000 2,300 2,700 3,100 3,600 4,000 4,500 5,000 5,500 6,000 6,600 7,200 7,800 8,400 9,000 9,700 10,300
750 100 400 600 800 1,100 1,400 1,700 2,000 2,400 2,700 3,100 3,500 3,900 4,300 4,800 5,200 5,700 6,200 6,700 7,300 7,800 8,400 9,000
800 100 300 500 800 1,000 1,300 1,600 1,900 2,200 2,600 2,900 3,300 3,700 4,100 4,500 4,900 5,400 5,800 6,300 6,800 7,300 7,900 8,400
900 100 300 500 700 900 1,200 1,400 1,700 2,000 2,300 2,600 2,900 3,300 3,600 4,000 4,400 4,800 5,200 5,600 6,100 6,500 7,000 7,500
1000 100 300 400 600 800 1,000 1,300 1,500 1,800 2,000 2,300 2,600 2,900 3,200 3,600 3,900 4,300 4,700 5,000 5,400 5,900 6,300 6,700