Product Features
Biological indicators are test systems containing viable microorganisms providing a defined resistance to a specific sterilization process.
A biological indicator provides information on whether necessary conditions were met to kill a specified number of microorganisms for a given sterilization process, providing a level of confidence in the process.
4A Steam Biological Indicator (3h and 24h) is specifically designed for the monitoring steam sterilization processes at 121 – 134 °C. The final readout of a processed biological indicator with respect to the indicator type should be made after 3 hours (4ARSBI) or 24h (4ASBI) of incubation at 60+/- 2 °C.
Note: Products can be produced with your trademark
4A Formaldehyde Indicators are indicators used inside sterilization pouch in formaldehyde sterilization.
These indicators which are included in Type 4 according to ISO 11140 standarts give information to user whether material inside the package is steril or not.
Note: Products can be produced with your trademark


The Sterile Barrier Association (SBA) is the European trade association for companies who produce Sterile Barrier Systems (SBS) and associated equipment and accessories for the healthcare industry. 4A Medical is a member of SBA and contributes to the developments in the association.