Hydrogen-peroxide gas plasma sterilization

Also called: H₂O₂ plasma, low-temperature plasma

Hydrogen-peroxide gas plasma sterilization — A low-temperature sterilization process that uses vaporised hydrogen peroxide and plasma, typically at about 45–55 °C, for heat- and moisture-sensitive devices.

It suits devices that cannot tolerate steam, such as some endoscopes, cameras and electronic instruments. Cycles are short and leave no toxic residues, but the process is sensitive to the load: cellulose, linen and liquids absorb peroxide and can abort the cycle.

Packaging must therefore be cellulose-free — Tyvek® reels or pouches, or approved polypropylene wraps — and indicators must be made for plasma.

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