Potassium-chloride-zinc-plating-additive
Potassium chloride type weakly acidic galvanizing electrolyte additives Softener and brightener Potassium chloride type weakly acidic zinc plating electrolyte additives factory Zinc plating brightener and softener Cost saving solution provider Zinc plating bath brightening agent Zinc plating technological process expert Cost saving solution provider
Description
Potassium chloride type weakly acidic galvanizing electrolyte is a kind of cyanide-free galvanizing process developed rapidly in recent years, which is referred to as potassium salt galvanizing.
It is characterized by simple electrolyte composition, stable electrolyte, fine coating, bright, high current efficiency, wide operating temperature range (5 ~ 60℃), simple wastewater treatment. The chemical dissolution of the anode in the electrolytic cell leads to the increase of the concentration of main salt ions in the electrolyte.
Our main products are chemical additives, which used in manufacture zinc electroplating bath, for improve the brightness of galvanized layer on metal surface.
Acid potassium chloride zinc plating brightener, which used in manufacture zinc electroplating bath, for improve the brightness of galvanized layer on metal surface.
Common failures and processing method
|
Problem Description |
Probable cause |
Solutions |
|
Poor brightness |
Lack of brightener Lack of softener Organic impurity pollution |
Brightener supplement Softener supplement Activated carbon filtration |
|
Poor coverage No coating in hole and concave
|
Lack of brightener Lack of softener Low potassium chloride The bath temperature becomes higher Aluminum impurity pollution |
Brightener supplement Softener supplement Potassium chloride supplement Lowering temperature Treat with zinc powder |
|
The bright range is narrow and the coating is easy to burn
|
The PH value of the bath increases Lack of zinc Lack of boric acid Lack of softener |
Adjust PH value with dilute hydrochloric acid Zinc chloride supplement Boric acid supplement Softener supplement |
|
The coating has white mist
|
Effect of organic impurities Poor cleaning after plating |
Activated carbon filtration Change the cleaning water |
|
The coating blackening after acid dipping |
Iron impurity Copper impurity |
Hydrogen peroxide treatment and filtration Treat with zinc powder |
|
Roller holes appear in the coating
|
Lack of softener Iron impurity Excessive current Lower zinc Over loading of work
|
Softener supplement Hydrogen peroxide treatment and filtration Lower total current Zinc chloride supplement Reduced loading |
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