Relife RL-421-OR BGA Flux Paste

The Relife RL-421-OR BGA Flux Paste is a professional-grade soldering flux engineered for precision electronics repair. Specially formulated for BGA reballing, chip replacement and fine-pitch PCB soldering, this high-activity flux ensures clean, reliable and efficient solder joints.

Its optimized viscosity allows excellent spread and penetration under BGA chips and micro components, improving solder wetting performance while reducing oxidation during high-temperature operations. The low-residue formula minimizes post-repair cleaning and helps maintain a neat, professional finish.

Designed for mobile phone motherboard repair, laptop boards, gaming consoles and other delicate electronic circuits, the RL-421-OR provides stable performance under hot air rework stations and soldering irons. Whether you are a professional technician or advanced DIY repair specialist, this flux paste enhances precision, reliability and workflow efficiency.

⭐ Key Features

• High-activity BGA flux for professional rework
• Excellent solder wetting and smooth flow
• Low residue, easy-to-clean formula
• Ideal for BGA reballing and IC replacement
• Strong anti-oxidation performance
• Stable under high-temperature hot air rework
• Improves solder joint reliability
• Perfect viscosity for precise application
• Suitable for fine-pitch PCB soldering
• Designed for professional electronics repair

📐 Technical Specifications