China 'GB/T 9989.1-2015
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 9989.1-2015
Vitreous and porcelain enamels—Determination of resistance to chemical corrosion—Part 1: Determination of resistance to chemical corrosion by acids at room temperature 搪瓷耐化学侵蚀的测定 第1部分:室温下耐酸侵蚀的测定
Issued Date:2015-10-09
Implemented Date:2016-05-01
Issued by:
The Standardization Administration of the People's Republic of China