Bowie-Dick Test Pack


Chemdye® Bowie-Dick Test Pack was developed to control air removal and steam penetration performance in vacuum assisted steam sterilizers.

They are single-use devices that consist of a lead free chemical indicator.

BD Test Sheet, placed between porous sheets of paper, wrapped with crepe paper, with a Steam indicator label on the top of the package.

BD has a Warning Sheet which contains a circular lead free chemical indicator, thus allowing an early detection of air removal failures before they appear on the central chemical indicator.

Chemical indicator changes from purple to green when processed. Non-uniform color change indicates presence of an air pocket during the sterilization cycle thus indicating sterilizer malfunction.


Chemical Indicators


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