This FDA approved 4mil COEX film is designed primarily for demanding food applications that require wide temperature swings (freezer to boiling water). Its nylon and retort tie layers exhibit high strength and low OTR in demanding applications involving temperature extremes. Common applications include: Soups, sauces, purée, and other hot fill food products. The SV400B meets conditions B of 21CFR 176.170: 212 degrees F for 30 minutes. Foods III, IV-A, II, VII-B. We have the SV400B on the shelf so your lead time is typically 2 weeks for custom pouches or roll stock.