Name: Fengfan Cyanide Free Alkaline Zinc Plating Chemicals Brightener High Throwing Power ZN-265
Brand: Fengfan International Trade
Availability: InStock
Rating: 5 (1 reviews)

Description

Functional Role of ZN-265 in Advanced Electroplating Operations
ZN-265 is engineered to serve industrial electroplating facilities seeking a safer alternative to cyanide-based systems. This alkaline zinc plating brightener is targeted at manufacturers who require stable, high-quality zinc coatings with excellent brightness and flexibility, suitable for both rack and barrel plating applications. Its formulation addresses the need for environmentally compliant processes without compromising performance in complex substrate geometries, making it well suited for process engineers and plating line managers focused on sustainable production.

Technical Attributes and Performance Metrics of the Alkaline Zinc Plating Brightener
Formulated from polyamine compounds, ZN-265 offers high throwing power and reliable dispersion over a wide cathode current density range (0.5–8 A/dm²) at operating temperatures up to 52°C. The solution exhibits tolerance to bath contaminants such as calcium, iron, and lead, reducing bath sensitivity while maintaining coating uniformity. Recommended bath compositions include ZnO at 15 g/L and NaOH between 100–140 g/L, with specifically measured brightener and purifier additives to ensure bright, flexible zinc layers. This cyanide free alkaline zinc plating brightener supports process control and repeatability critical for industrial standards.

Industrial Integration and Application Scope of Fengfan ZN-265
ZN-265 enables industries such as automotive, electronics housing, and pipe fitting manufacturing to transition from cyanide to safer alkaline zinc processes while sustaining strict quality requirements. Its robust throwing power facilitates uniform zinc deposition on complex and recessed shapes, fulfilling functional and aesthetic coating criteria. Compatibility with post-passivation treatments further enhances corrosion resistance, making ZN-265 essential in production lines aiming to meet environmental regulations and operational efficiency through reliable zinc electroplating chemicals solutions.

Product Advantages

Design and System Compatibility Benefits of ZN-265 Additive
The design of ZN-265 integrates seamlessly with existing alkaline zinc plating baths, requiring minimal adaptation in system parameters. Its modular additive formulation, which combines brightener, auxiliary, and purifier components, enhances bath stability while minimizing system sensitivity to impurities. This structural advantage simplifies inventory and dosing control and reduces downtime for bath maintenance. The product’s tolerance to a range of contaminant metals supports continuous operation in diverse plating environments, underscoring its position as a premier cyanide free zinc plating solution additive with high reliability.

Operational Efficiency and User-Centered Benefits of the Zinc Plating Brightener
ZN-265 delivers consistent, bright, and flexible zinc coatings with superior throwing power, supporting uniform plating even at low current densities. Its formulation facilitates easy integration with both rack and barrel plating processes, optimizing cycle times without compromising coating quality. Users benefit from improved environmental compliance due to its cyanide-free composition and reduced hazardous waste concerns. Additionally, the brightener’s compatibility with post-passivation enhances coating durability, providing operators and QC teams with a robust, versatile solution in line with modern electroplating demands.

High Throwing Power Cyanide-free Alkaline Zinc Plating

ZN-265

ZN-265 alkaline zinc plating additive is a kind of brightener concentrated by a variety of polyamine compound. It can produce a smooth, bright, delicate and flexible zinc plating layer in alkaline non-cyanide zinc plating solution, and can completely replace the traditional cyanide zinc plating.

I. Properties

1, Electroplating can be carried out in a wide range of zinc metal content 5.5-18.5 g/L.

2, Can make the workpiece surface bright and decorative even the temperature up to 48 ℃.

3, Excellent covering capacity and dispersing ability in low current region, especially for some complex workpieces for rack plating. Such as pipes, fittings and computer shell.

4, Good dispersion capacity. High current density: low current density can reach 1.5. It can shorten the plating time and reach a minimum standard of coating thickness. Can improve the efficiency of the use of zinc.

5, Good tolerance with the impurities in the bath such as calcium, magnesium, iron, lead, cadmium and chromium.

6, It is suitable for low current density of barrel plating and wide current density range of rack plating.

7, Easy to accept various passivation post treatments.

II. Technical Formulation & Operation Condition

Component	Physical parameters	Consumption
ZnO (g/L)	10~20 (the best 15g/L)	/
NaOH (g/L)	100~140 (the best 130g/L)	/
Zn-265A brightener (ml/L)	10-14	80～180ml/KAH
Zn-265B additive (ml/L)	0.5-2ml/L	30～80ml/KAH
Zn-265C purifier (ml/L)	2-4ml/L	Usually no need add. When high impurities content or adding sodium hydroxide, it should be added properly.
Operation condition: Temperature Anode area ratio Anode Rack plating: Cathode current density Cathode move Barrel plating: Cathode current density Barrel speed	5~52℃ 1:1.5~2 0# zinc plate 0.5~8 A/dm² 8~12 time/min 0.5~8 A/dm² 6~8 time/min	/

Use Scenarios

Application in Automotive Component Manufacturing
In automotive manufacturing environments where components such as brackets, fasteners, and pipe fittings require corrosion-resistant zinc coatings, ZN-265 functions as a high-efficiency alkaline zinc plating brightener enabling uniform thickness and brightness on branched or recessed parts. Its high throwing power improves coverage under varying current densities during rack plating operations, ensuring compliance with automotive industry standards. Integrated into continuous plating lines, it enhances workflow by maintaining stable bath chemistry and supporting environmentally responsible practices through its cyanide free alkaline zinc plating brightener formulation.

Role in Electronics Housing and Complex Geometry Plating
ZN-265 is crucial within electronics manufacturing facilities for plating housings and enclosures that demand both aesthetic and protective zinc layers. Its unique additive chemistry supports barrel plating setups with excellent low current density dispersion, enhancing uniformity on complex shapes and fine geometries. The high throwing power zinc plating additive characteristic contributes to consistent brightness and adhesion of coatings that are compatible with various post-passivation treatments, ensuring compliance with industry corrosion resistance requirements. This facilitates seamless process integration and quality assurance in advanced electronics surface finishing.

FAQ

Can the Fengfan ZN-265 brightener replace traditional cyanide zinc plating completely?
Yes, the cyanide free alkaline zinc plating brightener ZN-265 is designed to fully replace traditional cyanide zinc plating systems. It provides bright, flexible coatings with high throwing power while maintaining environmental safety and coating quality.

What are the recommended bath components and optimal operating conditions for ZN-265?
The typical formulation includes ZnO 10–20 g/L (best 15 g/L), NaOH 100–140 g/L (best 130 g/L), Zn-265A brightener 10–14 mL/L, Zn-265B additive 0.5–2 mL/L, and Zn-265C purifier 2–4 mL/L. Operating temperatures range from 5 to 52°C, with anode area ratio 1:1.5–2, suitable for both rack and barrel plating.

Is ZN-265 compatible with both rack and barrel plating techniques?
Yes, ZN-265 supports both rack and barrel plating methods. It delivers uniform brightness and coating quality across cathode current densities of 0.5–8 A/dm², with dwell times optimized for each method, ensuring consistent results in various plating setups.

How does ZN-265 perform in baths exposed to impurities and post-passivation treatments?
ZN-265 exhibits strong tolerance to common bath impurities like calcium, magnesium, and lead, minimizing bath sensitivity. It is fully compatible with post-passivation treatments, allowing for durable and bright coatings suitable for complex workpieces using zinc electroplating chemicals in alkaline zinc plating systems.