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How to Remove Flux Residue from PCB

pcba cleaning machine for SMT line

Introduction

Flux residue is one of the most common issues in PCB assembly. If not removed properly, it can cause corrosion, leakage current, and long-term reliability failure.

Why Flux Must Be Removed

  • Prevent electrical leakage
  • Improve product reliability
  • Meet IPC cleanliness standards

Cleaning Methods

  1. Manual cleaning (alcohol)
  2. Ultrasonic cleaning
  3. Spray cleaning machine ✅

Best Solution (Industrial)

For factories, using a PCBA cleaning machine is the most efficient solution. It removes:

  • Rosin flux
  • No-clean flux
  • Solder paste residues

Machines can ensure consistent cleaning quality and reduce labor cost.

Call To Action

Looking for a professional solution? Check this industrial cleaner:

pcba cleaning machine AC530