When sourcing fresh-keeping bags on rolls, buyers should distinguish between gross roll weight and net plastic weight. Gross weight may include the paper core, labels and individual wrapping, so two rolls with the same total weight may contain different amounts of polyethylene.
For a fair comparison, confirm the bag dimensions, single-layer thickness, number of bags per roll, net plastic weight, core dimensions and packing method. Net weight is an important material-usage metric, but it should be evaluated together with seal strength, perforation quality, film consistency and performance under actual packing conditions.
Carton dimensions, roll diameter, pallet configuration and allowable loading limits can also affect 40HQ utilization and landed cost. Loading density should be optimized without compressing rolls, damaging perforations or creating handling problems. Flexon Pack has manufactured PE packaging in Dongguan since 2012 and confirms roll configuration, packing method and container-loading proposals against each approved order specification.
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