Steam sterilisation is the gold standard for reprocessing instruments in piercing and tattoo studios, but only when the sterilizer class, load type, and testing regime are right. Here is how EN 13060 classes B, N, and S map to real studio work.
What the full article covers
Steam sterilisation is the gold standard for reprocessing heat-stable instruments, but bench-top sterilizers are not interchangeable: EN 13060 classes B, N, and S each have strictly different load capabilities
A class N sterilizer, the cheapest bench-top unit, can only process unwrapped solid instruments; it cannot sterilise wrapped packs, porous loads, or hollow instruments
A class B sterilizer with vacuum cycles is the minimum realistic choice for a studio that wraps instruments and sterilises hollow jewellery, forceps, and cannulated tools
Temperature and time matter less than saturated steam contact: 134 degrees C for 3 minutes or 121 degrees C for 15 minutes, only when steam reaches every surface
Every sterilizer needs a testing regime: daily chamber checks, periodic Bowie-Dick tests for vacuum units, biological spore tests with Geobacillus stearothermophilus, and documented maintenance
Water quality is part of the sterilisation process: distilled or demineralised water prevents scale, which can shield bacteria and invalidate a cycle
Read the full engineering article on Poli International →
Full data, references, and the complete technical breakdown, free, no signup.
First published on poliinternational.com. This is a summary of the original engineering article.
Top comments (0)