Packaging material, packaging bag, and package body

Abstract

A packaging material comprising a substrate layer, an intermediate layer, and a sealant layer, the intermediate layer comprising an intermediate layer substrate layer and a barrier coat layer containing a carboxylic acid polymer and a polyvalent metal compound, the intermediate layer being laminated so that the barrier coat layer is on a substrate layer side, all of the substrate layer, the intermediate layer substrate layer, and the sealant layer being polyolefin resin layers or polyester resin layers.

Dependencies are inferred from the claim text.