T/CPPIA 36-2024 Active Group standards

T/CPPIA 36-2024 Black polyester film

Publish Date: 2024-01-25 Implement Date: 2024-02-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/CPPIA 36-2024

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Plastic profiles

ICS Name: Films and sheets

Publish Date: 2024-01-25

Implement Date: 2024-02-01

Scope

Scope: This document specifies the terms and definitions, product classification, requirements, test methods, inspection rules, marking, packaging, transportation, and storage for black polyester films (hereinafter referred to as "films"). Applicable to the production, inspection, and sales of black polyester films made from polyethylene terephthalate (PET) as the main raw material, with the addition of a suitable amount of black masterbatch chips, and manufactured by melt extrusion and biaxial stretching. Main technical contents: 5. Requirements 5.1 Appearance quality 5.1.1 Winding quality The film rolls should be wound neatly, with a smooth appearance and consistent tension, without obvious longitudinal stripes, and no obvious star-shaped wrinkles at the ends. The unevenness at the ends should be ≤2mm. 5.1.2 Apparent quality The film rolls should not have dead folds, bulging, mechanical damage, oil stains, obvious cracks, wrinkles, bubbles, impurities, or any defects that affect their usability. 5.2 Dimensions and deviations 5.2.1 Length and width deviations The length deviation is a positive deviation of 0~50m, and the width deviation is a positive deviation of 0~3mm. 5.2.3 Thickness and thickness deviations The thickness range is 12μm~100μm, and the thickness deviation should comply with the provisions of Table 1. 5.3 Physical properties The properties of the polyester films should comply with the provisions of Table 2.