The RF4 RF506D is a high-capacity, 500g spool of lead-free solder wire engineered for high-volume PCB assembly, professional electronics repair, and industrial manufacturing. Formulated with a high-purity alloy and an activated rosin (RA) flux core, this wire is designed to provide strong, reliable joints while meeting global RoHS environmental standards [citation:1].

Key Features

• 500g Industrial Spool: Large capacity reduces downtime for spool changes in production environments.
• Superior Wettability: The activated flux core ensures excellent spreading and fast tinning on copper, brass, and other base metals [citation:2].
• Bright, Clean Joints: Leaves minimal, non-corrosive residue that can often be left in place, saving cleaning time.
• Low Spatter: Engineered to produce less smoke and spatter compared to standard flux-cored wires.
• RoHS Compliant: Free from lead, cadmium, and other restricted hazardous substances.