T/WS 0001-2021 Active Group standards

T/WS 0001-2021 Matte two-way stretch polyester (PET) film

Publish Date: 2021-01-29 Implement Date: 2021-02-10 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/WS 0001-2021

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Daily-use glassware, ceramics, enamelware, and plastic products

ICS Name: Films and sheets

Publish Date: 2021-01-29

Implement Date: 2021-02-10

Scope

Scope: This document specifies the classification, requirements, test methods, inspection rules, marking, packaging, transportation, and storage of matte biaxially oriented polyester (PET) films. This document applies to matte biaxially oriented polyester (PET) films (hereinafter referred to as matte polyester films) made from polyethylene terephthalate or its modified resins as raw materials, with the addition of an appropriate amount of matte masterbatches, and manufactured by three-layer co-extrusion and biaxial orientation. Main technical contents: Physical and mechanical properties: - Nominal thickness (μm): 50, 75, 100 - Tensile strength (MPa): - Longitudinal: ≥ 180 - Transverse: ≥ 170 - Transverse: ≥ 165 - Elongation at break (%) (longitudinal, transverse): 100–200 - Heat shrinkage (%) (longitudinal): ≤ 1.2 - (150℃/30 min): ≤ 1.0 - Transverse: ≤ 0.3 - Transverse: ≤ 0.3 - Haze (%): 90–100 - Light transmittance (%): 42–60 - Glossiness (45°): ≤ 22 - Coefficient of friction (static): ≤ 0.65 - (dynamic): ≤ 0.55 - Wetting tension (mN/m): ≥ 50 - Corona treatment: ≥ 50 - Non-corona treatment: ≤ 44