- Standard No.
- GB/T 7991.7-2019
- Language
- Chinese, Available in English version
- Release Date
- 2019
- Published By
- 国家市场监督管理总局、中国国家标准化管理委员会
- Latest
-
GB/T 7991.7-2019
- Replace
-
GB/T 25144-2010
GB/T 7991.7-2019 history
- 2019 GB/T 7991.7-2019 Test method of viterous and porcelain enamels—Part 7：Determination of coefficient of mean lincar thermal expansion
- 2011 GB/T 25144-2010 Method for determination of average linear thermal expansion coefficient of glass-lined glaze
GB/T 7991.7-2019 Test method of viterous and porcelain enamels—Part 7：Determination of coefficient of mean lincar thermal expansion has been changed from GB/T 25144-2010 Method for determination of average linear thermal expansion coefficient of glass-lined glaze.