Title: Ordinary-temp high-efficient rust-removing additive for steel workpiece and its preparation and use
Application Number: 91107472 Application Date: 1991.08.23
Publication Number: 1058622 Publication Date: 1992.02.12
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: C23G1/06,C23G1/08
Applicant(s) Name: Synthetic Chemical Works, Taicang County Address: 215425
Inventor(s) Name: Chen Chuncheng, Wang Xuekang
Attorney & Agent:
Abstract:
     This ordinary-temp efficient rust-removing additive is used for the pickling on the surface of iron or steel, and is made of organic acid, alkyl sodium sulfate, sextic methyl tetraamine, polyoxyethylene-alkyl phenolether or polyoxyethylene fatty alcohol ether or polyethylene glycol or thiourea, phosphoric acid and water. An ordinary-temp efficient rust-removing liquid may be prepared from this additive and the aqueous solution of hydrochloric acid.
Time: 4
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