T/DLSHXH 004-2020
Carbon dioxide gas for electronics industry (English Version)
- Standard No.
- T/DLSHXH 004-2020
- Language
- Chinese, Available in English version
- Release Date
- 2020
- Published By
- Group Standards of the People's Republic of China
- Status
- 2022-07
- Replace By
- T/DLSHXH 004-2022
- Latest
- T/DLSHXH 004-2022
- Scope
- This standard specifies the requirements, test methods, packaging, marking, storage, transportation and safety warnings for carbon dioxide gas used in the electronics industry. This standard applies to carbon dioxide, a gas used in the electronics industry, prepared by purification from industrial carbon dioxide as raw material. Gas carbon dioxide for the electronic industry is mainly used in laser, electronic industry, reactor gas coolant, scientific research and other fields. Molecular formula: CO2. Relative molecular mass: 44.0095 (according to the 2011 international relative atomic mass).
T/DLSHXH 004-2020 history
- 2022 T/DLSHXH 004-2022 Technical specification for supercritical carbon dioxide anhydrous dyeing of polyester fabric
- 2020 T/DLSHXH 004-2020 Carbon dioxide gas for electronics industry
- 2017 T/DLSHXH 004-2017 High solid acrylic polyurethane topcoat
