FH-80 White Tin Cobalt plating additive
FH-80 White Tin Cobalt Plating Additive: Technical Overview The FH-80 White Tin Cobalt Plating Additive is a specialized chemical formulation designed to enhance the electroplating process, producing a bright, uniform, and corrosion-resistant tin-cobalt alloy coating. This additive is widely used in decorative and functional applications, particularly where a lustrous, silver-white finish is desired as an alternative to chromium or nickel plating. Key Features and Benefits 1. Bright and Uniform Finish The additive ensures a smooth, reflective surface with excellent leveling properties, reducing the need for extensive post-plating polishing. The resulting coating closely resembles chromium in appearance but with improved ductility and lower internal stress. 2. Corrosion and Wear Resistance The tin-cobalt alloy deposited using FH-80 exhibits superior resistance to oxidation and mild abrasion, making it suitable for components exposed to humid or mildly corrosive environments. 3. Stable Bath Performance The additive maintains bath stability over extended operating periods, minimizing decomposition and sludge formation. This reduces downtime for bath maintenance and extends the lifespan of the plating solution. 4. Wide Operating Parameters FH-80 performs effectively across a broad range of current densities (typically 0.5–5 A/dm²) and temperatures (15–40°C), offering flexibility for various part geometries and production conditions. 5. Environmentally Friendlier Alternative Unlike hexavalent chromium plating, the tin-cobalt process does not involve highly toxic chemicals, aligning with modern environmental and workplace safety regulations. Typical Applications - Decorative Finishes: Jewelry, watch components, automotive trim, and consumer electronics. - Functional Coatings: Connectors, fasteners, and other small parts requiring solderability and wear resistance. Operating Guidelines - Bath Composition: Typically includes stannous salts, cobalt salts, complexing agents, and proprietary brighteners. - pH Control: Maintained between 7.5–9.0 for optimal deposition. - Agitation: Mild mechanical or air agitation ensures uniform metal distribution. - Filtration: Continuous filtration (5–10 µm) prevents particulate contamination. Conclusion The FH-80 White Tin Cobalt Plating Additive delivers a high-quality, durable finish with operational efficiency and environmental advantages. Its versatility makes it a preferred choice for industries seeking a cost-effective, high-performance alternative to traditional plating systems.
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FH-80 White tin Cobalt (Chromium substitute)
Category： Other conventional electroplating processesBrowse number： 29Number：Release time： 2025-09-20 11:00:55The FH-80 White Tin Cobalt (Chromium Substitute) is a high-performance electroplating additive developed by Shenzhen Xinfuhua Surface Technology Co., Ltd., a professional enterprise engaged in the production, sales, and scientific research of electroplating additives since 2005. This innovative formulation is designed to replace traditional chromium plating by providing a white, bright, and durable coating through tin-cobalt alloy plating technology. FH-80 offers an environmentally friendly, cost-effective, and high-quality alternative to chromium, meeting the increasing global demand for safer and sustainable plating processes.
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