Not only with wide range of technology, which can be plated on zinc metal component in 6-24g/l, but also with high stability.
The plating is with good toughness and its thickness can be up to over 25um, the zinc plating is still soft, not crisp.
Technical Index
|
|
Range |
The best for rack plating |
The best for barrel plating |
|
Zinc metal |
5.5-18.75 g/l |
11 g/l |
13 g/l |
|
NaOH |
75-152 g/l |
128 g/l |
135 g/l |
|
ZN-500 Brightener |
12-20 ml/l |
16 ml/l |
18 ml/l |
|
ZN-500 Additive for low current area |
0.5-2 ml/l |
1 ml/l |
0.5 ml/l |
|
ZN-500 Purifier |
1 ml/l |
1 ml/l |
1 ml/l |
|
ZN-500 Water treatment agent |
1 ml/l |
1 ml/l |
1 ml/l |
|
Cathode current density |
0.2-6A/dm2 |
2 A/dm2 |
1.5A/dm2 |
|
Temperature |
18-52℃ |
28℃ |
28℃ |
Product Description
Targeted Solution for Advanced Plating Systems
Fengfan ZN-500 functions as a key alkaline zinc plating brightener developed specifically to meet the needs of industrial operators requiring cyanide-free plating solutions. Designed by a leading alkaline zinc plating brightener manufacturer, it serves plating facilities handling rack and barrel plating of components with complex geometries. Users benefit from its compatibility with non-cyanide processes to reduce environmental risks while maintaining high coating quality. This additive is suitable for enterprises aiming to implement greener plating technologies without compromising on tough, bright zinc finishes necessary for corrosion resistance and functional performance.
Operational Stability and Detailed Specifications
The product’s technical formulation offers strong performance across a broad temperature range, functioning effectively up to 52°C. As a cyanide free zinc plating chemicals supplier product, ZN-500 supports coatings up to 25 μm thickness with excellent dispersal in low current density areas, critical for uniform finishes on polygonal deep concave parts. Detailed chemical parameters include zinc metal concentrations from 5.5 to 18.75 g/l, NaOH levels of 75-152 g/l, and brightener dosages finely adjustable between 12-20 ml/l to optimize brightness and hardness outcomes. Its resistance to impurities such as calcium, magnesium, and lead extends operational robustness and ensures consistent plating bath chemistry during extended cycles.
Integration in Industry Applications and Quality Assurance
ZN-500 is integral for manufacturing sectors requiring environmentally compliant, cyanide-free alkaline zinc plating chemicals that deliver consistent corrosion protection and aesthetic finishes. It fits seamlessly into workflows involving post-passivation treatments and complex part plating, enhancing productivity for automotive, electronics, and hardware suppliers. The package includes tailored additives and purifiers to maintain bath stability for both rack and barrel plating lines, ensuring process repeatability and compliance with stringent environmental and quality standards. Its adoption facilitates cost-effective scale-up while meeting customer demands for reliable, high-performance zinc coatings.
Product Advantages
Systematic Design and Modular Compatibility
As an alkaline zinc plating brightener manufacturer, Fengfan engineered ZN-500 as part of a modular additive system including purifiers, water treatment agents, and specialized low current additives. This design enables precise bath composition tailoring for rack and barrel plating systems within cyanide-free environments. The customizable dosage controls and broad operational temperature range demonstrate system adaptability and engineering foresight, allowing plating process engineers to optimize coating appearance and thickness while maintaining solution stability. This structured approach reduces downtime and improves compatibility with varying substrate types and complex geometries encountered in industrial plating applications.
Operational Performance and User-Centric Value
From a performance perspective, ZN-500 delivers consistently bright, tough zinc coatings that withstand mechanical and environmental stressors, offering substantial value to plating operations focused on long-term reliability. The incorporation of non cyanide zinc plating additives guarantees easier regulatory compliance and improved workplace safety. Its tolerance to common impurities reduces the need for frequent solution adjustments, enhancing operational efficiency. The ease of integration into existing plating lines, combined with customizable parameters for bath composition and current densities, allows process engineers to maintain high throughput while achieving repeatable, superior coating quality with minimal maintenance overhead.
Use Scenarios
Optimizing Rack Plating for Complex Components
In advanced manufacturing environments requiring high precision, rack plating of polygonal deep concave parts presents challenges in achieving uniform brightness and adherence. ZN-500’s strong dispersion properties in low current density zones enhance coating uniformity and brightness consistency under these conditions. Its resilience against plating bath impurities combined with bespoke additives allows operators to maintain process control while meeting stringent surface finish specifications. Integration with post-passivation treatments within rack plating workflows supports compliance with environmental and quality norms, making this solution ideal for aerospace, automotive, and electronics industries relying on durable, bright zinc coatings.
Enhancing Barrel Plating in High-Volume Production
Barrel plating operations, commonly employed in hardware manufacturing and fastener production, benefit from ZN-500’s stable performance at optimized conditions with zinc metal and NaOH concentrations tailored for large batch processing. This cyanide free alkaline zinc plating solution facilitates thick, bright zinc layers with soft textures without brittle characteristics, improving product longevity. The additive system supports bath maintenance via purifiers and water treatment agents, reducing downtime and process variability. Its compatibility with various metal impurities and ability to function effectively at typical barrel plating temperatures streamline production workflows, raising throughput while assuring quality and environmental compliance.
What types of zinc plating processes is Fengfan ZN-500 suitable for?
We designed Fengfan ZN-500 primarily for cyanide free alkaline zinc plating, supporting both rack and barrel plating applications. It produces tough, bright zinc coatings, especially effective in low current areas, making it ideal for complex workpieces requiring uniform brightness and durability.
Can Fengfan ZN-500 tolerates impurities often found in plating baths?
Yes, our ZN-500 brightener formulation tolerates common impurities such as calcium, magnesium, lead, cadmium, iron, and chromium. This tolerance helps maintain stable plating conditions while enabling various post-passivation treatments without compromising coating quality or brightness.
Do you offer tailored additive combinations for different plating applications?
We provide the full ZN-500 product family—including brightener, additives for low current areas, purifier, and water treatment agents—allowing you to customize bath compositions for specific rack or barrel plating needs. This ensures you achieve optimal brightness and coating thickness up to about 25 μm.
What operating temperatures are recommended for using Fengfan alkaline zinc plating brightener?
Our technical guidelines support a broad operating range of 18–52°C. For best results, we recommend about 28°C for both rack and barrel plating, with successful coating proven even at the higher end of the temperature range. This flexibility aids process control across different industrial environments.