Packaging materials for electrophotographic development materials, a packaging method, and toner and developer material for electrophotographic development

摘要

A packaging material for electrophotographic development materials is disclosed. The packaging material comprising a film having a moisture permeability of 0.7 g/m²/day, or a packaging material for electrophotographic development materials in which inner-most layer is an adhesive layer, the top layer is a polyester layer, and between them, there are at least an aluminum layer and a polyamide layer.The packaging material exhibits high moisture-resistance and film strength, and can cope with environmental issues.