About SP/SPS- Bis-(sodium sulfopropyl)-disulfide
| CAS Number | 27206-35-5 |
| Appearance | White or yellowish powder |
| pH | 3-7(38%water solution) |
| Packing | 25kg |
| Use | Brightener in copper baths for decorative and functional deposits |
| Storage | Stored in cool and dry place |
| Phosphorous acid (as PO33)% | 10-100mg/L |
Superior Grain Refinement in Copper PlatingSP/SPS stands out for its remarkable efficiency as a grain refiner, delivering smoother, finer copper deposits in electroplating baths. Its reliable action minimizes pitting and promotes a uniform, glossy finish, integral for high-quality copper plating. This powder is frequently adopted by industrial users seeking premium results in electroplating applications.
Outstanding Solubility and StabilityThis additive dissolves quickly and completely in water, allowing for easy preparation and integration into copper plating baths. Its crystalline, high-purity form ensures long-lasting stabilitymaintaining effectiveness and consistent properties for up to two years under standard storage conditions.
FAQs of SP/SPS- Bis-(sodium sulfopropyl)-disulfide:
Q: How is Bis-(sodium sulfopropyl)-disulfide (SP/SPS) used in copper electroplating?
A: SP/SPS is added to copper electroplating baths as an additive to refine grain structure, resulting in smoother and brighter copper deposits. It is highly soluble in water, allowing for easy mixing into plating solutions.
Q: What are the main benefits of using SP/SPS in electroplating baths?
A: The primary benefits include enhanced grain refinement, improved deposit smoothness, increased plating stability, and minimized surface defects in copper plating. It also ensures a consistent, high-quality finish due to its high purity and superior stability.
Q: When should SP/SPS be introduced into the electroplating process?
A: SP/SPS should be introduced during the bath preparation or prior to the plating stage to ensure uniform dispersion and optimal grain refining performance throughout the plating cycle.
Q: Where can Bis-(sodium sulfopropyl)-disulfide be sourced in India?
A: This product is readily available from various distributors, exporters, importers, manufacturers, retailers, suppliers, traders, and wholesalers across India. It is supplied to industrial users for copper plating applications.
Q: What is the typical process for using SP/SPS in copper electroplating?
A: The typical process involves dissolving the crystalline powder in water and adding the solution to the plating bath at concentrations recommended by process guidelines. The additive works by refining the grain structure of copper deposits during electroplating.
Q: Is SP/SPS safe to use in industrial environments?
A: Yes, SP/SPS is classified as non-poisonous and is safe to handle with appropriate industrial safety practices. It is odorless and stable, making it suitable for use in manufacturing and plating operations.