T/UNP 652-2025 Technical Specifications for Vacuum Bags Used in Food Packaging
T/UNP 652-2025 Food vacuum bagging technical specifications
Basic Information
Scope
Main technical content: This standard specifies the product classification, technical requirements, test methods, inspection rules, and marking, packaging, transportation, and storage of vacuum bags for food (hereinafter referred to as "vacuum bags"). It is applicable to ordinary and high-temperature steamed food vacuum bags made from PE, PA (with a content of 20%) and other raw materials. Main technical content: - Classification: According to surface printing, they are divided into embossed bags and glossy bags. - Technical requirements cover 10 items, including materials, appearance, odor, and dimensional deviations. For example, materials must comply with relevant food safety standards, and the appearance color should be uniform. - Test methods involve state regulation and material analysis. - Inspection rules include batch sampling, factory and type inspections. - There are also corresponding provisions for marking, packaging, transportation, and storage, such as requiring environmentally friendly packaging.