T/CI 058-2022 Active

Scope: This document specifies the terms and definitions, technical requirements, test methods, inspection rules, marking, packaging, transportation, and storage for polyethylene terephthalate (PET) containers used for food packaging. This document applies to plastic containers (excluding container lids) made from PET resin as the main raw material, which are molded by injection molding, stretching, blow molding, or other processes and used for food packaging at normal temperatures (-50°C to 50°C) (hereinafter referred to as "containers"). Note: Food refers to solid, liquid, or mixed solid-liquid foods. Main technical content: 4.1 Appearance The appearance of the container shall comply with the requirements of Table 1. Table 1: Appearance Requirements Container Body Container Mouth Container Mouth End Should be flat, with smooth ribs and no chipping or burrs. The overflow material and burrs shall not exceed 0.2 mm. The container body should be well molded with uniform color, no bubbles, raw material, cold spots, stains, or hazy whitening. There should be no obvious scratches on the inner and outer walls of the container. The container base should stand stably, and the feeding point should not be higher than the container base, with no top-white phenomenon. The container lid should have a well-molded surface, a complete structure, and a smooth surface without obvious shrinkage, bubbles, or burrs. There should be no foreign matter such as black spots, rust stains, oil stains, dust, or plastic debris, and no obvious odor. 4.2 Specifications 4.2.1 Container Body 4.2.1.1 Height The deviation of the height shall comply with the provisions of Table 2. Table 2: Height Deviation Unit: mm Height (h) Limit Deviation h < 150 1.2% h 150≤h≤220 2.0% h h > 220 2.0% h 4.2.1.2 Verticality The deviation of the verticality of the centerline of the container body to the bottom plane of the container shall comply with the pr