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New study confirms continuing safety of stainless steel


IMOA welcomes the publication of an independent report confirming the continuing safety of using stainless steel in hospital environments.

Team Stainless, a consortium of stainless steel and alloying element associations, commissioned Manchester Metropolitan University and AgroParisTech to devise and conduct research to examine the effectiveness of disinfection on stainless steel in hospital environments.

Unlike previous studies, which have only tested the effectiveness of disinfection on new stainless steel, this study was specifically designed to test both new and artificially aged surfaces. A fouling and cleaning protocol was first designed to replicate the aging effects of multiple cleaning cycles in normal use.

New and aged samples of AISI 304 and AISI 316 (the two grades of stainless steel usually found in clinical environments) with various surface finishes were contaminated with the bacteria most commonly associated with Healthcare Acquired Infections (HAIs). The samples were then cleaned using a proprietary disinfectant and analysed for the presence of bacteria.

The researchers found that there was no discernible difference between the efficiency of disinfection across the range of grades and finishes, and whether or not the stainless steel was new or aged.

Tim Outteridge, Secretary-General, IMOA, said: “Thanks to its unique properties, stainless steel is used widely in many applications throughout hospitals and healthcare facilities. This new study confirms the effectiveness of disinfecting stainless steel against bacteria associated with HAIs and its ongoing suitability as a material for use in clinical environments.”

A summary brochure, ‘Disinfection of stainless steel in hospitals’ is available to download here.

General information for media

IMOA is a non profit trade association, representing the majority of the molybdenum industry worldwide. It works to raise awareness about the unique properties of molybdenum, its beneficial effects on materials performance, its safety in use and its contribution to sustainable development.

Molybdenum is added to alloy steels to improve strength, toughness, hardenability and weldability for numerous applications in the automotive, shipbuilding, construction, mining, chemical, oil & gas and energy generation industries. In stainless steels and superalloys, it improves corrosion resistance and high-temperature performance and finds uses in many industrial applications. It is also used in a variety of products from catalysts and lubricants to pigments and paint.

IMOA has a strict antitrust compliance policy which delegates of all meetings are required to observe. All such meetings are observed by legal counsel.

For more information please email the communications team at media@imoa.info.
For up-to-date information please follow IMOA on Twitter and LinkedIn.

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