Product Description
F Flux Powder 0.25kg by CRW (UK) Ltd is a high-performance, long-life silver brazing flux designed for use with low and medium melting point silver brazing alloys. Engineered for consistent performance across extended heating cycles, this brazing flux provides moderate activity and fluidity, ensuring effective oxide removal and smooth capillary flow during brazing operations.
With an operating temperature range of 650°C to 850°C, this general-purpose flux is ideal for a wide variety of metal joining applications, including copper, brass, mild steel, and compatible alloys. Its powder form allows for flexible application, whether mixed into paste or applied dry depending on your brazing setup.
This professional-grade brazing flux is widely used in plumbing, HVAC, refrigeration, metal fabrication, engineering workshops, and industrial maintenance environments.
Key Features
- High-quality silver brazing flux powder for precision metal joining
- Operating temperature range: 650°C – 850°C
- Moderate activity for reliable oxide removal and clean joints
- Moderate fluidity ensures controlled flow and strong capillary action
- Long working life ideal for extended heating cycles and complex joints
- Suitable for low and medium melting point silver brazing alloys
- General-purpose flux for copper, brass, steel, and similar metals
- Supplied in convenient 0.25kg pot for workshop or site use
Technical Specifications
- Thessco Grade: F
- Form: Powder
- Weight: 0.25kg
- Activity Level: Moderate
- Fluidity: Moderate
- Life: Long
- Operating Range: 650–850°C