RUKO LOS-HM-55.0mm Rosin-Based Solder Paste 50g

Rosin-based solder paste with a halide-free flux classification (ROL0 per J-STD-004), ideal for manual soldering, rework, and tinning of copper, brass, and tin-plated surfaces. Suitable for soldering temperatures from 250°C to 400°C.

Overview

The RUKO GMBH LOS-HM-55.0mm is a high-quality rosin-based solder paste designed for precision manual soldering tasks. It features a halide-free flux that leaves non-corrosive residues, typically requiring no cleaning. The paste is amber/yellowish in color and has a characteristic rosin odor.

What stands out

• Halide-free flux (<0.5% halide content) for safe, no-clean soldering
• Wide soldering temperature range: 250–400°C
• Non-corrosive residues reduce the need for post-solder cleaning
• Compliant with RoHS standards

Technical details

• Product type: Solder paste / soldering flux
• Flux type: Rosin-based
• Flux classification (DIN EN 29454-1): 1.1.2.B (F-SW 32)
• Flux classification (J-STD-004): ROL0
• Halide content: Halide-free (<0.5%)
• Volume/weight: 50 g
• Recommended metals: Copper, brass, tin-plated surfaces
• Residue characteristics: Non-corrosive, usually no-clean
• Consistency: Paste / grease
• Color: Amber / yellowish
• Odor: Characteristic rosin odor
• Shelf life: 24 months under proper storage
• Storage conditions: Cool and dry (5–25°C)

Our verdict

A reliable rosin-based solder paste for professionals who need consistent, no-clean results in manual soldering applications.