A Volatile Corrosion Inhibitor (VCI) is a chemical substance that protects metal surfaces from corrosion by vaporizing and forming a protective molecular layer on the metal.
🔹 How It Works:
- VCIs are usually placed in packaging materials (e.g., paper, films, or emitters).
- They sublimate (vaporize) and release corrosion-inhibiting molecules into the air.
- These molecules bond with metal surfaces, creating an invisible barrier that prevents moisture, oxygen, and other corrosive elements from reacting with the metal.
🔹 Common Uses:
- Protecting metals during storage and shipping
- Used in automotive, aerospace, electronics, oil and gas and military applications
🔹 Key Benefits:
- No need for greases or oils
- Easy to apply and remove
- Effective in enclosed spaces
