What is Zinc Ammonium Chloride?
Zinc Ammonium Chloride is a double salt combining zinc chloride and ammonium chloride, widely used as a fluxing agent in metal surface treatment processes, particularly hot-dip galvanising and soldering applications. Its primary function is to clean metal surfaces of oxides and contaminants immediately before coating, ensuring proper metallurgical bonding between the base metal and the applied zinc or solder coating.
Polychem Industries supplies Industrial Grade Zinc Ammonium Chloride to galvanising plants, metal fabrication companies, and soldering flux manufacturers across India and internationally. Its effectiveness as a fluxing agent — removing oxide layers and promoting proper wetting and adhesion of molten zinc or solder to the base metal surface — makes it an essential processing chemical in the metal coating and joining industries.
Available Grades
| Grade | Form | Purity | Standard | Applications |
|---|---|---|---|---|
| Industrial Grade | White to off-white crystalline powder | 98%+ (Industrial Grade) | Industrial | Hot-dip galvanising flux, soldering flux |
Applications & Uses
Hot-Dip Galvanising Flux
The primary application. Zinc Ammonium Chloride is used as a pre-fluxing agent in the hot-dip galvanising process, applied to steel components before immersion in molten zinc, where it removes residual oxide films and prevents reoxidation of the cleaned steel surface, ensuring proper zinc coating adhesion.
Soldering Flux
Used as an active flux component in certain soldering applications, particularly for galvanised steel and other zinc-coated surfaces, where it helps clean the joint area and promotes proper solder wetting and adhesion during the soldering process.
Metal Surface Preparation
Used in various metal surface preparation processes prior to coating or joining operations, where its fluxing action helps remove oxide layers and contaminants that would otherwise interfere with proper coating adhesion or weld/solder joint quality.
Wire Galvanising
Used in continuous wire galvanising operations, where the flux is applied to wire surfaces before passing through the molten zinc bath, ensuring consistent, well-bonded zinc coating along the length of the processed wire.
Fastener & Hardware Galvanising
Used in batch galvanising operations for fasteners, hardware, and other small steel components, providing the necessary surface fluxing to achieve proper zinc coating adhesion across complex part geometries.
Specialty Metal Treatment
Used in various specialty metal surface treatment processes requiring an effective, cost-efficient fluxing action to prepare metal surfaces for subsequent processing or coating steps.
Technical Specifications
Zinc Ammonium Chloride — Key Properties
Why Source Zinc Ammonium Chloride from Polychem Industries?
- Industrial grade engineered specifically for galvanising and soldering flux applications
- Certificate of Analysis available on request
- Effective oxide removal and surface fluxing for quality coating adhesion
- Reliable bulk supply for galvanising plants and metal fabricators
- Competitive pricing with consistent quality
- Export documentation experience for international shipments
