NBN EN 867-3 : 1997

      Foreword
      Introduction
1 Scope
2 Normative references
3 Definitions
4 General requirements
5 Indicator system format
6 Performance requirements
7 Packaging and labelling
8 Quality assurance
Annex A (normative) Method for determining strength after
                    steam sterilization
Annex B (normative) Method for the estimation of the visual
                    difference between the colour of the
                    substrate and the changed (or unchanged)
                    indicator system by determination of the
                    relative reflectance density
Annex C (normative) Method for determining colour change on
                    exposure to dry saturated steam
Annex D (normative) Method for determining indicator colour
                    change on exposure to dry heat
Annex E (normative) Ageing of test samples
Annex F (normative) Method for evaluating transfer of
                    indicator to standard test pack on
                    processing
Annex G (normative) Method for demonstrating the shelf life
                    of the product
Annex H (normative) Steam exposure apparatus
Annex J (normative) Method for determining the sensitivity
                    of the indicator to the presence of air
Annex K (normative) Air injection system
Annex L (normative) Standard test pack

Defines criteria for an indicator for use in the Bowie and Dick test for steam sterilizers for wrapped items, such as instruments and porous metals.