1. Properties
1. The deposit appearance is similar to chromium deposit. The anti-corrosion and brightness can compare with chromium deposit, the covering ability is superior to standard chromium plating.
2. The energy consumption is lower than that of chromium plating.
3. Suitable for general barrel plating on small parts, production efficiency can increase.
4. The technique is used for light industrial products without special toughness demands. It can get big economic benefit due to being as a substitute for chromium plating.
2. Bath Composition and Operating Condition
| Stannous Chloride ( SnCl2.H2O) | 20~30g/L |
| Cobalt Chloride ( CoCl2) | 8~12g/L |
| Zinc Chloride ( ZnCl2) | 5~10g/L |
| Potassium Pyrophosphate ( K4P2O7) | 220~280g/L |
| RC-90 Additive | 20~30ml/L |
| RC-90 Stabilizer | 4~8g/L |
| PH | 8.5~9.5 |
| Temp. | 20~45℃ |
| Dk | 0.1~2A/dm2 |
| Anode | Pure tin plate |
3. Bath Make-up
1. Dissolve calculated volume of Potassium Pyrophosphate (K4P2O7) into 50-60℃ hot water of 1/2 of total volume.
2. Add Stannous Chloride (SnCl2.2H2O) into the above solution slowly, while agitating till it dissolves completely.
3. Add Cobalt chloride (CoCl2) and Zinc chloride (ZnCl2) into tank, while agitating till they dissolve completely, then add water up to the volume.
4. Add 1g/L activated carbon, heat it to 40℃, agitate for 1 hour, rest it for 24 hours, then filter it.
5. Add RC-90 stabilizer.
6. Add RC-90 additive, adjust PH, electrolyze for several hours, then try plating.
Substitution for Chromium-Based Coating
RC-90 Sn-Co-Zn additive provides an alloy deposit that visually and functionally resembles chromium. The resulting surface delivers brightness and corrosion resistance while also offering superior covering ability compared with conventional chromium layers. Its formulation makes it particularly valuable for industrial users such as a zinc nickel plating company or manufacturers offering metal plating service who seek alternatives to traditional chromium systems. The electrolyte contributes to steady performance, making it well-suited for operations where long-term reliability and environmental considerations must align consistently.
Reduced Energy Demand with Stable Operation
One of the notable features of this additive is its lower energy consumption compared to chromium plating, which makes it efficient for large-scale application. The electrolyte is suited to barrel plating processes for small parts, thereby improving production efficiency in mass manufacturing with fewer interruptions. Its reliable formulation allows repeatable results, creating a dependable foundation for operators handling plating chemicals in continuous production. At the same time, it integrates into finishing environments where electro nickel plating methods are applied, ensuring stability across lines while maintaining production quality.
Controlled Process and Bath Composition
The RC-90 system is structured with precise operating conditions, including stannous chloride, cobalt chloride, zinc chloride, and potassium pyrophosphate, balanced with RC-90 additive and stabilizer. Its recommended operating pH, temperature, and current density parameters ensure reproducibility in production with minimal deviations. This controlled structure benefits those managing plating solution systems, as it minimizes variability during use and ensures efficiency. By providing a stable chemical balance, the additive supports consistent quality across plated parts, reinforcing the operational requirements of facilities specializing in metal plating service worldwide.
Product Advantages
Structural and System Design Benefits of RC-90 Additives
Our RC-90 Sn-Co-Zn Alloy Plating Additives feature a modular chemical composition tailored to integrate directly within existing plating solution bath frameworks common at zinc nickel plating company facilities. The clearly defined bath make-up and precise operating conditions improve system reliability and simplify process control for metal plating service providers. The formulation’s chromium-free nature reduces hazardous material handling, while the use of a pure tin anode ensures sustained deposit consistency. This design reduces complexity in bath maintenance and supports scalability for high-throughput industrial plating lines, enabling efficient resource usage and stable plating chemistry throughout extensive production cycles.
Performance and User Value Delivered in Industrial Applications
The RC-90 additive system offers stable bath operation that translates into consistently bright, corrosion-resistant coatings, increasing yield and reducing rework rates, which is critical for industrial electro nickel plating and metal plating service operations. Its lower energy consumption compared to conventional chromium plating enhances cost-effectiveness while supporting environmental compliance. The additive's compatibility with barrel plating processes for small parts eases integration into continuous workflows, optimizing throughput for zinc nickel plating company users. These performance attributes increase operational reliability and provide plating line managers with predictable results critical for meeting demanding quality specifications and timelines.
Use Scenarios
High-Volume Barrel Plating Lines
RC-90 is applicable in barrel plating operations where small components require consistent surface finishes at scale. Its stability ensures repeatable results across large batches without frequent changes. For a zinc nickel plating company, this supports efficiency in delivering alloy coatings, while metal plating service providers can maintain uniform results for clients across demanding industrial sectors.
Industrial Production Requiring Chromium Alternatives
This additive is particularly suited for light industrial production without special toughness requirements, offering strong performance. As an alternative to chromium, it supports environmentally compliant operations while sustaining brightness and anti-corrosion properties under standard plating conditions. Facilities using plating chemicals benefit from reduced variability in practice, and those operating electro nickel plating lines can integrate RC-90 effectively, gaining long-term assurance in coating performance.
Economic Benefit for Manufacturing Facilities
The additive provides significant economic value through lower energy consumption and reduced need for chromium-based baths, which directly lowers cost. Operators managing plating solution systems can achieve reliable performance while lowering operational expenses at scale. Both a zinc nickel plating company and service providers focused on metal plating service benefit from stable coatings, long-term savings, and consistent plating results across multiple production cycles.
About Us
Fengfan International Trade, established in 1984, specializes in research, development, and production of electroplating additives and materials for global industries. With decades of accumulated expertise, the company provides solutions for copper, nickel, tin, zinc, and alloy plating, meeting the requirements of industrial manufacturers worldwide. Fengfan operates advanced laboratories and testing facilities to ensure reliability of all products delivered. Its portfolio covers a wide range of plating chemicals, supporting varied production systems with stable and reproducible results. As a recognized zinc nickel plating company, Fengfan emphasizes continuous innovation, structured research, and strict quality management, combining scientific development with dependable production practices to serve partners across international markets.
FAQ
What is the purpose of RC-90 additive?
It is a Sn-Co-Zn alloy additive designed to replace chromium plating, providing brightness and anti-corrosion performance for industrial production.
Does it reduce energy consumption compared to chromium plating?
Yes, it operates with lower energy demand than traditional chromium systems, making it suitable for efficient large-scale use.
Can a zinc nickel plating company use this in barrel plating?
Yes, it is designed for barrel plating on small parts and helps improve production efficiency in continuous operations.
Does it integrate with electro nickel plating systems?
It can be applied alongside established electroplating processes, supporting consistency in industrial operations and surface quality.
What role do plating chemicals play in this formulation?
They balance bath composition and ensure controlled operating conditions, maintaining reliable results in metal plating service processes.
Select RC-90 additive and strengthen your industrial plating performance with consistent results today!
