Corning® Guardiant® | Antimicrobial Additive for Paint and Surface Coatings | Corning

Antimicrobial Additive: Copper-Powered Peace of Mind

Corning® Guardiant® is a breakthrough antimicrobial powder additive that can be mixed into paints, coatings, and plastics to impart continuous, long-lasting antimicrobial efficacy. Guardiant leverages copper ion technology that enables products registered with the US Environmental Protection Agency (EPA) to provide supplemental residual sanitizing activity to kill 99.9% of bacteria and viruses within two hours of contact on a painted surface.

A Valuable Added Layer of Protection

The Guardiant Advantage

Products with Guardiant provide unparalleled advantages, addressing the challenges of today as well as tomorrow. Paints with Guardiant have been shown to:

  • kill a broad spectrum of bacteria and viruses, including the virus that causes COVID-19
  • work continuously with high potency to kill >99.9% of bacteria and viruses in two hours or less
  • provide long term antiviral and antibacterial activity

Discover how Guardiant-powered surfaces compare to traditional solutions.

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Why Copper?

Start Painting Protection into Your Spaces

Corning works closely with our customers to develop paints and coatings with Guardiant-powered antiviral (virucidal) and antibacterial capabilities to benefit homes, hospitals, schools, and more.


Redefines how paint protects.


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Finding the Right Antimicrobial Paint

Finding the Right Antimicrobial Paint

Choosing from different antimicrobial surface technologies can be challenging. Follow this easy 3-step guide on what to look for when selecting an antimicrobial paint.

What to Look For