Stannous Sulfate
Tin(II) sulfate
CAS No. 7488-55-3
Molecular Formula: SnSO4
Molecular Weight: 214.77
Content: ≥99 (%)
Standard: GB/T23839-2009
Product grade: AR grade
Net weight: 25kg/package
Application: for industrial use
| Inspect items |
Specification |
| Assay(SnSO4),% |
≥99.0 |
| Fe,% |
≤0.005 |
| HCl insoluable material,% |
≤0.005 |
| Pb,% |
≤0.02 |
| Alkline metal and Alkline earth material, % |
≤0.10 |
High-Purity Electroplating Raw MaterialFengfan stannous sulfate (SnSO4) is a critical electroplating chemical for tin and tin-alloy plating applications. With CAS 7488-55-3, it ensures superior solubility and stability in acidic plating baths, delivering consistent metal finishing results. Its industrial-grade purity minimizes impurities, reducing defects in plated surfaces.Optimized for Performance & EfficiencyDesigned for acid zinc plating and electroless nickel plating systems, Fengfan SnSO4 improves bath conductivity and anode dissolution. It enables bright, adherent tin coatings on substrates like steel, copper, and aluminum, meeting stringent industry standards for wear resistance and solderability.Sustainable & Industry-CompliantAs a green electroplating solution, Fengfan SnSO4 aligns with environmental regulations, reducing waste generation. Its low toxicity profile supports cleaner production in automotive, electronics, and decorative chemical gilding processes.
Product AdvantagesEnhanced Plating QualityFengfan SnSO4 ensures dense, pore-free tin deposits with excellent adhesion, critical for silver plating and potassium pyrophosphate-based baths. Its controlled grain structure minimizes post-plating polishing needs.Cost-Effective & Long-LastingCompared to alternatives, Fengfan’s formulation extends bath life by reducing sludge formation. Lower consumption rates cut operational costs for high-volume electroplating chemical users.Technical Support & Custom SolutionsBacked by 40+ years of R&D, Fengfan provides tailored electroplating additives guidance, ensuring optimal SnSO4 integration for niche applications like aerospace or PCB manufacturing. ApplicationsElectronics & PCB ManufacturingFengfan SnSO4 is vital for tin-plating connectors and semiconductor components, ensuring solderability and oxidation resistance in high-frequency circuits.Decorative & Functional CoatingsUsed in chemical gilding for jewelry and luxury hardware, it delivers mirror-finish tin layers under silver plating or gold substitution processes.Automotive & Industrial PartsIdeal for corrosion-resistant coatings on bearings, fasteners, and fuel systems, compatible with acid zinc plating hybrid baths for duplex-layer protection.
About FengfanWuhan Fengfan Electrochemical Technology Co., Ltd., founded in 1984, is a leader in electroplating chemicals and surface treatment innovations. With a 67-acre Tech Park and ISO-certified production, Fengfan supplies chemical intermediates to 20+ Chinese provinces and global markets (Europe, Americas, Middle East). The company holds 20+ patents and collaborates with the China Surface Engineering Association to advance green electroplating technologies.Contact Fengfan today for technical datasheets and customized electroplating chemical solutions. FAQWhat is the shelf life of Fengfan stannous sulfate?Stored in sealed containers at room temperature, SnSO4 remains stable for 24 months.Is SnSO4 compatible with cyanide-free plating baths?Yes, it is optimized for both traditional and eco-friendly electroless nickel plating systems.What safety measures are required when handling SnSO4?Use PPE (gloves, goggles) and ensure ventilation; MSDS is available upon request.Can Fengfan provide bulk SnSO4 for large-scale electroplating?Yes, we offer 25kg bags and ton-scale deliveries with flexible logistics.Does SnSO4 require special wastewater treatment?Neutralization and heavy-metal precipitation are recommended; consult our technical team for protocols.
