Vacuum bag or shrink bag: which one for your product?
Both remove air. One stays loose at the edges, the other tightens around the product.
Both remove air. One stays loose at the edges, the other tightens around the product.
Chamber machines and external sealers need different bags. The wrong one leaves air in the pack.
Thicker is not always better. Match the gauge to the product, the weight and the cold chain.
Most leakers come from the seal, not the film. Here is what to check first.
How to size the bag, shrink it properly and keep wing tips from puncturing it.
Both run on rollstock machines. One makes a tray and lid, the other wraps the product like a second skin.