Title: Cleaning and rust-preventing agent for blank of cast iron bathtub and iron pot
Application Number: 90105656 Application Date: 1990.04.14
Publication Number: 1055959 Publication Date: 1991.11.06
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: C23G1/00
Applicant(s) Name: Zhu Junliang Address: 213200
Inventor(s) Name:
Attorney & Agent: LU WENJUN
Abstract:
     This invention relates to a cleaning and antirusting agent that is prepared up from ammonium sulfate, bentonite, urotropine and sodium nitrite and is suitable for the blank of casting bathtub. It has rust-preventing effect for a short time to meet the requirement of later process step.
Time: 4