Formulas for Manual & Semi-Automatic L-Bar Sealers
Film Width Formula
| Package Height | Formula |
| 0” – 2.5” | W + H + 2” |
| 2.5” – 4.5” | W + H + 2.5” |
| 4.5” + | W + H + 3” |
Cut-Off Formula (Bag Length)
| Package Height | Formula |
| 0” – 2.5” | L + H +1” |
| 2.5” – 4.5” | L + H + 1.5” |
| 4.5” + | L + H + 2” |
Formulas for Automatic L—Bar Sealers
Film Width Formula
| Package Height | Formula |
| 0” – 3” | W + H +4.5” |
| 3” – 6” | W + H + 2.5” |
| 6” + | W + H + 5”-6” |
Film Width Formula for Form Fill & Seal
| Package Height | Formula |
| Any | W + H + 1.5” Minimum |
Roll Length
| 45 | 60 | 75 | 100 | 125 | |
| Single Wound | 11,660 | 8,750 | 7,000 | 5,250 | 4,200 |
| Center Folded | 5,830 | 4,375 | 3,500 | 2,625 | 2,100 |
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