مساعد لحام (كريم) فلكس UV ريلايف موديل: RL-420

Relife RL-420-UV Flux Paste

Precision Soldering | UV Visible | No-Clean Formula

The Relife RL-420-UV is a premium, lead-free flux paste specifically formulated for delicate electronic work such as BGA, SMD, and PCB repair. Designed with UV visibility and high insulation resistance, it provides excellent solder flow, strong tinning, and leaves minimal residue.

🔧 Key Features

• 
  

  Lead-Free & No-Clean
  Environmentally safe and doesn’t require post-solder cleaning, making it ideal for precision electronics.

  
  


• 
  

  UV Reactive Formula
  Glows under UV light, allowing technicians to inspect the application area before and after soldering.

  
  


• 
  

  High Insulation Resistance
  Prevents short circuits; safe for CPUs, GPUs, and sensitive circuit boards.

  
  


• 
  

  Strong Tinning Power
  Promotes fast and smooth solder flow with reduced oxidation and virtual joints.

  
  


• 
  

  Low Smoke & Odor
  Cleaner working conditions during soldering sessions.

  
  

📐 Specifications

• 
  

  Model: RL-420-UV

  
  


• 
  

  Volume: 10 ml syringe

  
  


• 
  

  Color: Light yellow

  
  


• 
  

  Type: No-clean, lead-free, UV visible

  
  


• 
  

  Particle Size: 1–10 μm

  
  


• 
  

  Net Weight: ~18g

  
  


• 
  

  Package Includes: Syringe, cap, optional dispensing needle

  
  

🛠️ Applications

• 
  

  Reballing BGA chips

  
  


• 
  

  SMD rework and replacement

  
  


• 
  

  Mobile phone motherboard repairs

  
  


• 
  

  Fine-pitch circuit soldering

  
  


• 
  

  General PCB and CPU work

  
  

✅ Why Use RL-420-UV?

This flux is trusted for its purity, performance, and visibility under UV, helping professionals achieve consistent and clean solder joints—especially in high-density microelectronics.