T/CASME 239-2022 Active Group standards

T/CASME 239-2022 The back cover of the phone is made of PC/PMMA blended composite sheet material

Publish Date: 2022-12-22 Implement Date: 2022-12-30 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/CASME 239-2022

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Building materials

ICS Name: Films and sheets

Publish Date: 2022-12-22

Implement Date: 2022-12-30

Scope

Scope: This document is applicable to the optical-grade double-sided polished PC/PMMA co-extruded composite panels used in the production of mobile phone back covers by the co-extrusion method; Main technical content: This document specifies the terms and definitions, abbreviations, classification and marking, requirements, test methods, inspection rules, marking, packaging, transportation, and storage of PC/PMMA co-extruded composite panels used in mobile phone back covers.