Product details
Al Braze Flux Powder Brazing Flux
Al Braze Flux is a highly active powder brazing flux formulated for general-purpose brazing applications using bronze alloys such as Welco 15. It performs effectively on steels, cast irons, and copper-based alloys, ensuring smooth metal flow and strong bonding during brazing operations.
The flux can be used directly as dry powder or mixed with water to produce a paste depending on application needs. After brazing, residues can be easily removed using hot water, leaving bright, clean, and reliable brazed joints suitable for professional and industrial use.
Key Benefits
All-purpose flux suitable for bronze alloy brazing
Works effectively on steel, cast iron, and copper alloys
Can be applied as dry powder or mixed paste
Promotes strong and clean brazed joints
Supports porosity-free bonding results
Residues can be easily removed after brazing
Specifications
Product Name: Al Braze Flux
Product Type: Powder Brazing Flux
Composition: Boric Acid and Borax
Application Method: Dry powder dipping or water-mixed paste
Water Mixing Ratio: Approximately 20% water for paste consistency
Activity Range: 932°F to 1292°F (500°C to 700°C)
Suitable Materials: Steel, cast iron, and copper base alloys
Residue Removal: Hot water rinse after brazing
Applications
Bronze alloy brazing operations
Steel component brazing and repair
Cast iron brazing applications
Copper and copper alloy joint formation
Industrial and workshop brazing operations
FAQs
How can the flux be applied during brazing?
The flux can be mixed with water to create a thick paste or brazing rods can be heated and dipped directly into the dry powder before use.
What materials are suitable for this flux?
It is suitable for brazing steel, cast iron, and copper-based alloys.
Can residues be removed easily after brazing?
Yes, residues can be removed using a hot water rinse, leaving a clean joint.
What temperature range does the flux operate in?
The activity range is between 932°F and 1292°F or 500°C to 700°C.

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