Relife RL-404S Solder Paste High-Performance Flux

Relife RL-404S Solder Paste High-Performance Flux for PCB, BGA & SMD Soldering

The Relife RL-404S Solder Paste is a premium-quality soldering solution engineered for precision PCB, BGA, and SMD repair work. Designed with an advanced formula, this paste ensures smooth solder flow, excellent wetting performance, and strong joint formation, making it ideal for both professional technicians and electronics enthusiasts.

Its optimized viscosity allows easy application and precise control, ensuring accurate placement even on fine-pitch components and micro soldering areas. The paste minimizes solder bridging while enhancing conductivity, resulting in clean, reliable connections across circuit boards.

With its low-residue and stable performance, the RL-404S reduces post-cleaning effort while maintaining a neat finish. It performs efficiently under controlled temperatures, providing consistent results during IC rework, BGA reballing, and PCB assembly tasks.

Whether you’re repairing smartphones, laptops, or advanced electronic circuits, the Relife RL-404S solder paste delivers high-quality results with efficiency and reliability.

⚙️ Key Features

• 🔥 Excellent Solder Flow – Ensures smooth and even application
• ⚡ High Conductivity – Strong and reliable electrical connections
• 🎯 Precision Application – Ideal for micro soldering and fine-pitch components
• 🧪 Optimized Viscosity – Easy to control and apply
• ✨ Low Residue Formula – Cleaner PCB after soldering
• 🛡️ Anti-Oxidation Properties – Protects joints during heating
• 🛠️ Wide Compatibility – Suitable for PCB, BGA, and SMD repair

📊 Technical Specifications