Plasma Spray Gun Cathode F4 Electrode

• Customization: Available
• Application: Plasma Spray Coating
• Nozzle Size: Standard
• Model NO.: F4 electrode
• Paint Container Capacity: 3000 ml
• Warranty: One Year
• Apply in: Plasma Spray Coating Industry
• Making Method: Back-Casting
• Style: Standard
• Certificate: RoHS,ISO
• Condition: New
• Name: F4 Electrode
• Name 2: F4 Plasma Electrode
• Name 3: Plasma Electrode F4
• Transport Package: Carton
• Specification: 39*21*29cm
• Trademark: NA
• Origin: China
• HS Code: 8515900090
• Production Capacity: 20000PCS/Per Month
• Package Size: 10.00cm * 10.00cm * 10.00cm
• Package Gross Weight: 1.000kg
• Lead Time: 7 days (1 - 10 Pieces) ; To be negotiated ( > 10 Pieces)

Product Description

Product Description

An F4 Electrode is the core of F4 plasma spray gun,it can generate plasma well known as "plasma generation body",you also can call it as F4 cathode.

1. Definition & Core Function

F4 electrode is a critical cathode component in plasma spraying systems, designed to generate and sustain a high-energy plasma arc (50-80kW) between the electrode and nozzle (anode). This arc ionizes gases (e.g., Ar/N2/H2) into a superheated plasma jet (10,000-20,000K), which melts and accelerates powder particles (300-600 m/s) to form coatings on substrates.

2. Key Features

• Material: Made from high-purity tungsten or tungsten-copper alloys, optimized for extreme thermal conductivity (≥200 W/m·K) and arc resistance (withstands >10,000K).
• Durability: Features a densified microstructure (uniform grain structure) and CBT (Copper-Back Tungsten) casting technology, achieving 127MPa bonding strength-30% longer lifespan than standard electrodes.
• Compatibility: Designed for Metco, Oerlikon, AMT, SG-100, and F4-series plasma spray guns, ensuring plug-and-play performance without parameter adjustments.

3. Performance Advantages

• Arc Stability: Ensures consistent voltage and plasma flow, minimizing coating defects (e.g., porosity).
• Customization: Available in W-25Cu, W-30Cu alloys to match specific thermal/electrical requirements.

4. Applications

Widely used in aerospace, automotive, and industrial coatings for wear resistance, thermal barrier, and corrosion protection.

Conclusion: The F4 electrode is a precision-engineered component that balances high-temperature durability, electrical efficiency, and compatibility, making it indispensable for advanced plasma spraying processes

The corresponding list of the nozzle electrode model of our company's F4 and the model of other brand products
 

Product model	Product name	Related product model
WLE-F4	F4 electrode	1072006
WLN-F4-5	F4 nozzle	1088066
WLN-F4-6	F4 nozzle	1072007
WLN-F4-7	F4 nozzle	1088062
WLN-F4-8	F4 nozzle	1088057

Zhuzhou Weilai New Materials Technology Co., Ltd. is a manufacturing company!

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