Four Papers to Ask a Gel Pack Supplier For, and What Each Proves
Batch CoA with the right test, food-contact declaration, seal and drop report at service temperature, transport classification. What each one proves.
The Swell Number on the COA: Five Things It Leaves Out
A 450 g/g swell number can be the worst field grade. The five COA figures that matter, how the tea-bag test flatters weak polymers, and a one-season trial.
Before You Sign: What to Check on a Thawing Pad Supplier Visit
Pad suppliers are easy to audit badly. The product looks the same from every factory, the samples all pass a hand test, and the differences that matter — how evenly the SAP is dosed, whether the back film is food-grade, whether the lot numbers mean anything — only surface after six month…
