Title: Aqueous rustproof cleaning solution
Application Number: 86105940 Application Date: 1986.09.03
Publication Number: 1017230 Publication Date: 1988.03.23
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: C23G1/14,C23G1/19
Applicant(s) Name: Chen Kechang Address:
Inventor(s) Name:
Attorney & Agent: LU FANG HU DAJUN
Abstract:
     The invention is applied to the purgation treatment on surfaces of processing parts of ferrous metal. The aqueous rustpoof cleaning solution is made by the addition of 0.2-0.92% by weight of industrial alkali and 3%-9% by weight of sodium nitrite in water. The cleaning solution is nonpoisonous and transparent. Its rustproof characteristic is better than that of former cleaning solutions. The storage life of the parts is long and the economic benefit is significant.
Time: 4