RUKO LOS-HM-26.0mm Rosin-Based Soldering Flux Stick 250g

This soldering flux stick delivers a 26.0 mm diameter rosin-based formula in a 250 g format, engineered for reliable tinning and pre-tinning on copper, brass, and tinned surfaces up to 400 °C.

Overview

The RUKO GMBH LOS-HM-26.0mm is a rosin-based (colophony) soldering flux in stick form. It is classified under DIN EN 29454-1 1.1.2.C and is suitable for soldering, tinning, and pre-tinning applications. The flux leaves non-corrosive, non-conductive residues that generally do not require cleaning.

What stands out

• 26.0 mm diameter stick for controlled application
• Low halide content for reduced corrosion risk
• Non-corrosive, non-conductive residues
• Works on copper, brass, and tinned surfaces
• Operating temperature up to 400 °C

Technical details

• Product type: Soldering Flux
• Flux type: Rosin-based (Colophony)
• Flux classification: DIN EN 29454-1 1.1.2.C
• Form factor: Stick / Bar
• Net weight: 250 g
• Diameter: 26.0 mm
• Suitable for materials: Copper, Brass, Tinned surfaces
• Residue properties: Non-corrosive, Non-conductive
• Cleaning requirement: Generally not required
• Operating temperature range: Up to 400 °C
• Halide content: Low / Halide-free
• Shelf life: 24 months (minimum)
• Storage temperature: 5 - 30 °C

Our verdict

A dependable rosin-based flux stick for professionals needing clean, non-corrosive soldering on common metals without post-solder cleaning.