GB/T 22865-2008 "Kraft Paper" stipulates the classification, technical requirements, test methods, inspection rules, signs, Encasement, transportation and storage of kraft paper. The standard applies to kraft paper produced with sulfate pulp or similar chemical pulp as the main raw material and used in Encasement various commodities. The products are divided into high-quality products, first-class products and qualified products by mass, and are divided into two types: calendering and non-calendering. The standard provides a technical basis for the production and quality control of kraft paper to ensure its wide application in the field of Encasement.