Flexible Packaging Seal Integrity: Testing and QC Checklist

Compare seal strength and leak testing for flexible packaging. Build a practical QC plan with visual checks, test conditions and lot acceptance records.

Compare seal strength and leak testing for flexible packaging. Build a practical QC plan with visual checks, test conditions and lot acceptance records.

Choose stand-up pouch sizes using fill weight, bulk density, gusset dimensions and practical fill trials. Includes a calculation example and approval checklist.

Short answer: Barrier packaging protects a product from the three things that spoil it — oxygen, moisture and light — to extend shelf life. The higher the barrier, the longer sensitive goods like coffee, tea, supplements and dried foods stay…

Short answer: The main sustainable packaging options are recyclable mono-material film, paper and kraft, compostable bioplastics such as PLA/PBAT, reusable formats like non-woven totes, and simply using less material through right-sizing. There is no single “green” material — the best…

Short answer: Food-grade packaging is made from approved, non-toxic materials and inks that are safe for direct food contact, and is verified by testing and documentation such as FDA (US), EU Regulation 10/2011 (Europe), and LFGB (Germany). If your product…

What the two barrier numbers on a packaging spec sheet actually measure, how they map to shelf life, and why comparing figures between suppliers is usually meaningless.

Embossed or smooth, nylon or PE-only, and how thick is thick enough. A sourcing guide to vacuum bags for buyers writing their first specification.

Short answer: Apparel packaging protects garments and presents your brand from warehouse to unboxing. Fashion brands typically use a mix of formats: poly or OPP bags for individual garments, frosted zipper or slider bags for a premium feel, non-woven totes…

Short answer: Zipper and ziplock bags are resealable plastic bags used to store, display and ship products. The two main types are press-to-close ziplock bags (pinch the track to seal) and slider zipper bags (a plastic slider glides the bag…

Short answer: A stand-up pouch is a flexible bag with a bottom gusset that lets it stand on a shelf. It is the go-to format for coffee, snacks, pet food, powders, supplements and cosmetics because it combines shelf appeal, a…