T/ZZB 2325-2021 Active Group standards

T/ZZB 2325-2021 Recycling dimethyl terephthalate

Publish Date: 2021-08-27 Implement Date: 2021-09-27 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/ZZB 2325-2021

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Construction engineering construction machinery

ICS Name: Construction equipment

Publish Date: 2021-08-27

Implement Date: 2021-09-27

Scope

Main technical content: This document specifies the terms and definitions, basic requirements, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage, and quality commitments for recycled dimethyl terephthalate (abbreviated as DMT). This document is applicable to recycled dimethyl terephthalate produced by chemically depolymerizing recycled polyester, ester exchange with methanol, crystallization, centrifugal decolorization, and refining. Molecular formula: C10H10O4. Structural formula: Relative molecular mass: 194.19 (based on the 2018 International Atomic Mass Table)