Title: Unoiling, rust-cleaning and parkerizing liquid
Application Number: 88105540 Application Date: 1988.07.02
Publication Number: 1030947 Publication Date: 1989.02.08
Approval Pub. Date: Granted Pub. Date: 1991.06.19
International Classifi-cation: C23C22/07,C23G1/08
Applicant(s) Name: Qishuyan Inst. of Rolling-stock, Ministry of Railw Address:
Inventor(s) Name: Liu Yahe
Attorney & Agent: XUE YIMING
Abstract:
     The unoiling, rust-cleaning and parkerizing liquid remove rust, oil and oxide from surface of steel parts and a phosphate coating is formed at the same procedure. The technique is simplified, cost is decreased. The anticorrosive property of processed part is improved. The bind of metal surface and painting is strengthened. The liquid does not pollute environment.
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