The Bossweld Solder Flow 801 is a quality Soft Soldering Flux. Supplied in a convenient 250ml Bottle is a liquid soldering aid formulated to promote proper wetting and improve joint quality on a wide range of metals. Ideal for radiator repairs, plumbing, and general metalwork, it helps solder flow smoothly by cleaning and preparing metal surfaces before soldering.

Key Features:

• Liquid flux formulation ensures even application and effective surface activation for strong solder joints.
• Designed for stainless steel, monel, nickel, copper, brass, and tin, expanding its application range.
• Improves solder wetting and flow, reducing defects and rework.
• Helps remove oxides from metal surfaces for reliable adhesion.
• Convenient 250ml Bottle for ease of application