Bright chrome plating solution

Abstract

The invention discloses a bright chrome plating solution which comprises 5-20 g / L chromic sulfate, 10-50 g / L potassium sulfate, 15-50 g / L oxalic acid, 5-30 g / L sodium hypophosphite, 0.5-2 g / L ferrous sulfate, 5-40 g / L nitrilotriacetic acid, 1-10 g / L glycine, 3-15 g / L ethanedioic acid and the balance of water. The invention has the advantages of reasonable formula, high crystallization rate, high crystallization efficiency, high coating bonding strength, high surface smoothness and high stability.

Description

technical field [0001] The invention belongs to the technical field of metal electrochrome plating, and in particular relates to a bright electrochrome plating solution. Background technique [0002] Chromium has high hardness, corrosion resistance and excellent wear resistance, and is widely used in various industries such as decoration and surface treatment of wear-resistant parts. However, the current chromium plating solution has low bonding strength, busy crystallization speed, poor surface brightness, and Poor stability, short service life and frequent replacement. Contents of the invention [0003] The purpose of the present invention is to provide a bright electrochrome plating solution with reasonable formula, good product quality, good plating solution stability and no damage to human body. [0004] Technical solution of the present invention is: [0005] A bright electroplating solution for chromium, characterized in that it comprises the following components ...

AI Technical Summary

Problems solved by technology

[0002] Chromium has high hardness, corrosion resistance and excellent wear resistance, and is widely used in various industries such as decoration and surface treatment of wear-resistant parts. However, the current chromium plating solution has low bonding strength, busy crystallization speed, poor surface brightness, and Poor stability, short service life and frequent replacement