T/WS 0004-2021 Abolished Group standards

T/WS 0004-2021 Lithium battery flame-retardant polypropylene film for battery wrap

Publish Date: 2021-11-30 Implement Date: 2021-12-05 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 0004-2021

Standard Type: Group standards

Standard Status: Abolished

is_force_gb: no

CCS Name: Building materials products

ICS Name: Films and sheets

Publish Date: 2021-11-30

Implement Date: 2021-12-05

Scope

Scope: This standard specifies the product classification, requirements, test methods, inspection rules, marking, packaging, transportation, and storage of polypropylene flame-retardant Mylar films (hereinafter referred to as Mylar films) used in lithium batteries. This standard applies to polypropylene flame-retardant Mylar films used in lithium batteries, which are mainly made of polypropylene with additives and are manufactured by cast film or calendering method, and have flame-retardant properties; Main technical content: The main contents of the standard include: This standard specifies the product classification, requirements, test methods, inspection rules, packaging, marking, transportation, and storage of polypropylene flame-retardant Mylar films used in lithium batteries; Technical requirements include appearance, dimensions, bending, physical properties, flame-retardant performance, electrical performance, surface resistivity, roughness, and limit requirements for harmful substances.