British Standards Institution

Source:: ISO
Committee:: CH/198 - Sterilization and Associated Equipment and Processes
Categories:: Disinfectants and antiseptics
Comment period start date:: 29/07/2025
Comment period end date:: 21/09/2025
Number of comments:: 0

Comment by:

21st Sep

Scope

This document specifies the requirements for a Type 2 chemical indicator to be used in the steam penetration test for steam sterilizers for wrapped health care goods (instruments, etc., and porous materials).

Chemical indicators conforming with this document are intended for use in combination with the standard test pack as described in EN 285. This document does not consider the performance of the standard test pack, but does specify the performance of the chemical indicator.

NOTE The Bowie and Dick-type test is used for routine testing of steam sterilizers and validation of steam sterilization processes.

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Please email further comments to: debbie.stead@bsigroup.com

Standard timeline

1. Proposal (Complete)

Proposal start date:

2. Draft (Complete)

Draft start date:

22/07/2024

3. Public Comments

Public Comments start date:

29/07/2025

Public Comments end date:

21/09/2025

Learn more about the standards development process

Standards Development

BS EN ISO 11140-3 ISO 11140-3 Sterilization of health care products. Chemical indicators. Part 3: Type 2 indicators for use in the Bowie and Dick-type steam penetration test

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