T/ZZB 2337-2021
Difluoromethane（HFC-32） for industrial use (English Version)
- Standard No.
- T/ZZB 2337-2021
- Language
- Chinese, Available in English version
- Release Date
- 2021
- Published By
- Group Standards of the People's Republic of China
- Latest
- T/ZZB 2337-2021
- Scope
- This document specifies the basic requirements, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage, safety and quality commitments for industrial difluoromethane. This document is applicable to dichloromethane and hydrogen fluoride as raw materials, using gas phase method or liquid phase method, reaction and distillation under the action of catalyst to obtain difluoromethane. Molecular formula: CH2F2 Structural formula: Relative molecular mass: 52.024 (according to the 2018 international relative atomic mass)
T/ZZB 2337-2021 history
- 2021 T/ZZB 2337-2021 Difluoromethane（HFC-32） for industrial use
