RUKO LOS-HM-50,0mm Soldering Flux Paste 50 g Rosin F-SW 26

This RUKO soldering flux paste stands out for its broad compatibility with both leaded and lead-free solders, making it a versatile choice for electrical installations, automotive work, and general electronics. Its rosin-based formula is mildly activated, ensuring reliable solder joints on copper, brass, and tin-plated surfaces.

Highlights

• Rosin-based flux paste with F-SW 26 classification (DIN EN 29454-1 1.1.2.C)
• Compatible with leaded and lead-free solders
• Non-corrosive, non-conductive residues that generally do not require cleaning
• Working temperature range: 200°C – 400°C
• Net content: 50 g

In daily use

The paste form allows precise application, and the mild rosin odor keeps the work environment comfortable. Residues are non-corrosive and non-conductive, so cleaning is usually unnecessary, saving time in production or repair tasks.

Full specifications

• Product type: Soldering flux paste
• Flux base: Rosin
• Flux classification: F-SW 26 (DIN EN 29454-1 1.1.2.C)
• Net content: 50 g
• Compatible metals: Copper, brass, tin-plated surfaces
• Solder compatibility: Leaded and lead-free solders
• Residue properties: Non-corrosive, non-conductive
• Cleaning recommendation: Residues generally do not require cleaning
• Halogen content: Halogen-containing
• Form factor: Grease / paste in tin
• Working temperature range: 200°C – 400°C
• Storage temperature: 5°C to 30°C
• Shelf life: 24 months
• Odor: Mild, characteristic rosin
• Color: Amber
• Activation level: Mildly activated

Final note

Ideal for professionals and hobbyists who need a reliable flux for a wide range of soldering tasks.