FABLE ·
Why an impulse format is a sensible trial
An impulse machine heats during the seal cycle rather than relying on a permanently hot working surface. The PFS sheet lists no warm-up period. That is useful for intermittent bench work, but it does not establish a production rate or a suitable setting for every film labeled “poly”. Confirm that the contacting faces can be heat-sealed.
Size the bar from the actual closure
For example, a 250 mm flat opening makes PFS-300 a geometric starting point if the full opening sits within its usable bar. Keep the bag flat and unfilled material clear of the jaws. If a 540 mm opening cannot fit the PFS range, compare a longer HI model instead of assuming two overlapping passes will meet your quality requirements.
Check the cycle and electrical label
Follow the machine instructions for holding and release, then inspect the cooled seam. Thin film can stretch or cut through if processed incorrectly; a loose peel can also indicate inadequate contact rather than insufficient heat. The listed PFS supply is AC 220 V, 50 Hz. Confirm the exact configured supply with FABLE before placing a wholesale order.
- • Actual flat width and total layers in the seam
- • Film grade and gauge
- • Daily quantity and available power supply
FABLE models to compare
PFS Series · Hand Impulse Sealers · Specification sheet (PDF)
HI Series · Long-Length Hand Sealers · Specification sheet (PDF)
Technical references
Machine dimensions and formats refer to FABLE specifications. These references describe testing principles, not certification of any FABLE machine or packaging process.
Related sealing guides
Selecting a Long-Jaw Sealer for Wide Bags
Discuss your bag and application
Send the material, seam dimensions, expected quantity and destination power supply so we can review the shortlist with you.