T/CASME 779-2023 Active Group standards

T/CASME 779-2023 High viscosity biobased hydroxypropyl methyl cellulose

Publish Date: 2023-10-16 Implement Date: 2023-10-25 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 779-2023

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Chemical industry

ICS Name: Other organic chemicals

Publish Date: 2023-10-16

Implement Date: 2023-10-25

Scope

Scope: This document is applicable to the production and inspection of high-viscosity bio-based hydroxypropyl methyl cellulose, which is made from bio-based materials through processes such as cellulose pulverization, alkalinization, etherification, solvent recovery, neutralization, washing, and drying. Main technical content: This document specifies the product model, abbreviations, production process, technical requirements, test methods, inspection rules, marking, packaging, transportation, and storage of high-viscosity bio-based hydroxypropyl methyl cellulose.