Chemical Formula: NAHSO4
CAS Number: 7681-38-1
HS Code:28331900
Purity:95.5-98.5%
Appearance: White or off-white crystalline granules
Package: 25kg pp bag

Unique Advantages:

Source from China and Turkey

The uses of sodium metasilicate pentahydrate in electroplating:
1.Surface Preparation: Sodium bisulfate is effective in removing oxide layers from metal surfaces, which is crucial for preparing these surfaces for further processing in electroplating. This cleaning step enhances the adhesion of the electroplated layer to the substrate.
2.Electrolyte Composition: It can be used as an additive in electroplating solutions, particularly in trivalent chromium electroplating. In this context, sodium bisulfate helps stabilize the solution and inhibit the formation of harmful hexavalent chromium ions, thereby improving overall solution stability.
3.pH Regulation: Sodium bisulfate’s acidic properties allow it to lower the pH of electroplating baths, which is essential for maintaining optimal conditions for metal deposition. Proper pH levels can enhance plating quality and efficiency .
4.Corrosion Inhibition: It plays a role in preventing corrosion during the electroplating process by maintaining an acidic environment that is less conducive to corrosion reactions.
5.Cleaning Agent: Beyond its role in plating solutions, sodium bisulfate can also be utilized as a cleaning agent for metal surfaces prior to plating, ensuring that contaminants are removed effectively.