Download or read book GB T 9988 1988 Translated English of Chinese Standard GBT 9988 1988 GB T9988 1988 GBT9988 1988 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2018-03-30 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Standard specifies the test method for the alkali resistance of the enamel product surface layer. This Standard is applicable to the alkali resistance of the daily use and the quality of the ceramic layer of sanitary enamel products. If sodium hydroxide solution is used as the test medium, this Standard is also applicable to the quantitative measurement of the alkali resistance of porcelain surfaces of enamel glass products.