LK Packaging F20609OPRN Open-Top Poly Bags – 6×9 Inch Non-Reclosable, 2 Mil LDPE
LK Packaging’s F20609OPRN delivers the trusted 6×9 inch poly bag in an open-top, non-reclosable configuration—designed for high-throughput fill-and-seal operations that don’t require a zipper closure. Without the reclosable zipper, LK Packaging’s OPRN bags fill faster, use less material, and cost less per unit than equivalent zipper bags, making them the preferred choice for packaging operations where products are heat-sealed, twist-tied, or stapled shut after filling.
What is the advantage of LK Packaging’s open-top OPRN configuration over reclosable bags?
LK Packaging’s open-top OPRN bags eliminate the zipper track, reducing material cost and simplifying the fill process—especially for automated or semi-automated filling equipment. For products packaged for single-use retail, LK Packaging’s OPRN configuration provides all the protection of a closed poly bag without the added cost of a reclosable feature that won’t be used by the end customer. The result is a lower cost-per-unit that compounds significantly at high fill volumes.
Best uses for LK Packaging 6×9 open-top poly bags in manufacturing and retail
LK Packaging F20609OPRN is standard for apparel packagers, toy and game manufacturers, promotional product companies, and grocery/deli operations heat-sealing individual portions. Garment industry packagers use these LK Packaging open-top bags to wrap folded shirts, accessories, and textile components for retail display. Food manufacturers portion snack items, dried goods, and candy into F20609OPRN bags before heat sealing on continuous band sealers.
Can LK Packaging F20609OPRN open-top bags be heat-sealed on standard equipment?
Yes. LK Packaging’s F20609OPRN 2-mil LDPE film seals cleanly on impulse heat sealers and continuous band sealers at standard temperatures (275–325°F, 1–2 second dwell). The clean seal produces a transparent, flat weld across the bag opening that creates an attractive tamper-evident retail presentation. LK Packaging’s open-top format eliminates zipper interference at the seal zone, resulting in more consistent seals compared to sealing over zipper tracks.
How do open-top LK Packaging bags compare to reclosable versions on packaging lines?
LK Packaging’s OPRN bags typically run 20–30% faster on automated or manual packing lines compared to equivalent reclosable bags, since there’s no zipper to open, fill around, and close. For operations running thousands of units per shift, this throughput improvement translates to meaningful labor savings and higher output per hour. LK Packaging’s F20609OPRN also eliminates the possibility of an improperly closed zipper that allows product to shift or leak during transit.
Are LK Packaging F20609OPRN open-top bags food-safe?
LK Packaging’s OPRN 2-mil LDPE film meets FDA food-contact standards, making F20609OPRN bags appropriate for food portioning, bakery packaging, candy and snack sealing, and dry goods distribution. The 6×9 format accommodates 6–8 oz dry food portions for heat-seal packaging. For fresh or moist food applications, LK Packaging recommends sealing promptly after filling and evaluating whether modified atmosphere or barrier film options are more appropriate for your shelf life requirements.






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