Relife RL-421s-OR Flux Paste

Relife RL-421S-OR Flux Paste – Professional Lead-Free Soldering Flux for PCB & BGA Repair

The Relife RL-421S-OR Flux Paste is a premium-quality lead-free, high-activity soldering flux designed for professional mobile phone, laptop, and electronics repair. Formulated with imported rosin, it provides excellent solder wetting, fast tinning, and strong adhesion while producing minimal smoke during soldering. Its high-viscosity formula allows precise application on delicate components, making it ideal for BGA, SMD, CPU, IC, and PCB rework.

The included precision dispensing needle ensures accurate placement of flux exactly where it is needed, reducing waste and improving repair efficiency. With its high insulation resistance and no-clean, low-residue formulation, the RL-421S-OR helps achieve clean, reliable solder joints for professional repair technicians.

Key Features

• High-quality imported rosin formula for superior soldering performance
• Lead-free and environmentally friendly
• Fast tinning with excellent solder flow
• High viscosity for precise BGA and SMD rework
• Low smoke and low-residue (no-clean) formulation
• High insulation resistance for safe electronic repairs
• Includes precision dispensing needle for accurate application
• Suitable for professional mobile phone motherboard repairs

Applications

• Mobile phone motherboard repair
• BGA chip reballing and rework
• CPU and IC soldering
• PCB repair and maintenance
• SMD component installation and replacement
• Laptop and electronic device repair

Specifications

• Brand: Relife
• Model: RL-421S-OR
• Type: Lead-Free Flux Paste
• Volume: 10cc (Approx. 10ml)
• Flux Type: No-Clean, High Activity
• Application: PCB, BGA, SMD, CPU, IC Repair

Package Includes

• 1 × Relife RL-421S-OR Flux Paste (10cc)
• 1 × Precision Dispensing Needle
• 1 × Push Rod / Plunger

Why Choose Relife RL-421S-OR?

Whether you're repairing smartphone motherboards, replacing ICs, or performing precision BGA rework, the Relife RL-421S-OR Flux Paste delivers smooth solder flow, clean joints, and reliable performance, making it an essential consumable for every professional electronics repair workstation.