GB/T 27591-2011 "Paper Bowls" standard specifies the requirements, test methods, inspection rules and requirements for marking, Encasement, transportation and storage of paper bowls. Applicable to laminated or film laminating paper bowls. The standard covers the Appearance, use performance, hygiene indicators and raw material requirements of paper bowls, and describes the test methods in detail, including Appearance inspection, capacity determination, leakage performance and compressire strength, etc. The inspection rules include mass assurance, sampling inspection procedures and type inspection requirements for the production plant. Encasement and transportation requirements ensure the safety of paper bowls during transportation and storage, preventing contamination and damage.