RELIFE Solder Wire 0.8mm RL-444

RELIFE High Purity Alloy Solder Wire RL-444

The RELIFE RL-444 is a 0.8mm diameter solder wire designed for demanding electronic repairs and battery soldering. Its metal alloy with high tin and nickel content provides reliable conductivity and strong mechanical joints on printed circuit boards. The integrated flux improves surface adhesion and reduces oxidation during the thermal process.

Technical Specifications

• Brand: RELIFE
• Model: RL-444
• Internal reference: FS08-RL-444
• Type: Solder wire with integrated flux
• Diameter: 0.8mm
• Composition: High purity alloy with tin and nickel
• Application: Batteries and electronic components

What Distinguishes This Model

The presence of nickel in the composition makes the RL-444 particularly effective for direct soldering on battery terminals, where conventional alloys have greater difficulty adhering. The 0.8mm thickness ensures the exact amount of material for microelectronics work without excesses on the board.

Usage Tips

To obtain the best results, adjust the soldering station to the recommended rapid fusion temperature of the alloy and keep the iron tip always clean. Do not apply excessive heat to the cell contacts to avoid thermal damage during the intervention.

Frequently Asked Questions

Is it necessary to add external flux when using this wire?

The RL-444 wire already features integrated flux in its core to facilitate adhesion and minimise oxidation, although the application of additional flux can be advantageous at more difficult soldering points.

Is this diameter suitable for micro-soldering?

Yes, the 0.8mm diameter offers the appropriate balance between precision for printed circuit board repair and sufficient volume for battery terminals.