Title: Polishing agent for neutral copper vessel
Application Number: 90103825 Application Date: 1990.05.30
Publication Number: 1056905 Publication Date: 1991.12.11
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: C23G1/24
Applicant(s) Name: Li Hongyao Address: 100081
Inventor(s) Name: Cui Yingping, Li Hongyao
Attorney & Agent:
Abstract:
     This neutral polishing agent for copper article has a pH value of 6-8 and is made of casein, sodium thiosulfate, ammonium hydroxide, oleic acid, coal oil, alcohol, water, etc. It is used for polishing Cu utensiles without any trace.
Time: 5