"T/ZZB 2877-2022 Heat-sealed biaxially oriented polypropylene (PP) (BOPP) film" stipulates the definition of terms, basic requirements, technical requirements, test methods, inspection rules, signs, Encasement, transportation and storage of heat-sealed biaxially oriented polypropylene (PP) (BOPP) film. The standard applies to heat-sealed BOPP films used in food Encasement, drug Encasement and other fields, and specifies the thickness, tensile strength, heat sealing performance, Optical Properties and other technical indicators of the film, and specifies the corresponding detection methods. Its release and implementation provide an important basis for standardizing the BOPP film market and improving product mass, and promote the standardization development of the Plastic film industry.