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1. (WO2018218436) MODIFIED PHOSPHATING AGENT, METAL COMPONENT, AND SURFACE PHOSPHATING TREATMENT METHOD THEREFOR

Pub. No.:    WO/2018/218436    International Application No.:    PCT/CN2017/086360
Publication Date: Fri Dec 07 00:59:59 CET 2018 International Filing Date: Sun May 28 01:59:59 CEST 2017
IPC: C23C 22/42
Applicants: SHENZHEN HENGZHAOZHI TECHNOLOGY CO., LTD.
深圳市恒兆智科技有限公司
Inventors: WANG, Raoling
王饶玲
Title: MODIFIED PHOSPHATING AGENT, METAL COMPONENT, AND SURFACE PHOSPHATING TREATMENT METHOD THEREFOR
Abstract:
A modified phosphating agent. Based on 1000 parts by weight, the modified phosphating agent comprises the following components in parts by weight: 5 to 30 parts of phosphoric acid, 3 to 10 parts of zinc oxide, 0.5 to 3 parts of molybdenum salt, 0.5 to 5 parts of barium nitrate and the balance water. The modified phosphating agent has a long service life and a use temperature of 10ºC to 50ºC, and is used for the surface pretreatment of the metal component to form a color phosphating layer, and has a fine structure and firm adhesion. Also disclosed are a surface phosphating treatment method for a metal component, and a metal component obtained by using the surface phosphating treatment method.