ZINC-CALCIUM SERIES PHOSPHATIZING LIQUID

• Main Authors: ZHU ZHIANG, ZHU BING-GENG, CHEN CHUNNG
• Format: Patent
• Language: English
• Published: 10.09.1986
• Edition: 4
• Subjects: CHEMICAL SURFACE TREATMENT; CHEMISTRY; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING MATERIAL WITH METALLIC MATERIAL; COATING METALLIC MATERIAL; DIFFUSION TREATMENT OF METALLIC MATERIAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL; METALLURGY; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION

This invention Zinc-Calcium series phosphatizing liquid using for chemical anti-corrsion of metal surface is composed of the materials that their weight proportion is described as follows, Zinc dihydrogen phosphate: calcium nitrate: prosphoric acid: nickel nitrate: citric acid or gluconic acid: Sodium or calcium citrate or gluconate: Sodium flouride: Water = 2.5 - 3.5 : 4.9 - 8.4 : 0.5 - 1 : 0.02 - 0.16 : 0.015 - 0.06 : 0.002 - 0.04 : 0.002 - 0.08 : 4 - 60 The phosphatizing liquid of this invent has not only low costs, low energy consumption, economization on paint and high phosphatizing speed, but also good quality of phosphatizing film.