This Part of EN 868 provides test methods and values for paper used in the manufacture of preformed sterile barrier systems and packaging systems that are intended to maintain sterility of terminally sterilized medical devices to the point of use. This Part of EN 868 introduces no additional requirements to the general requirements specified in EN ISO 11607-1. As such, the particular requirements in 4.2 to 4.3 can be used to demonstrate compliance with one or more but not all of the requirements of EN ISO 11607-1. NOTE 1 The paper specified in this part of the series EN 868 is suitable for the manufacture of sterile barrier systems to be used in ethylene oxide, irradiation or low temperature steam formaldehyde sterilization processes. NOTE 2 Paper according to EN 868-3 can also be used for these sterilization processes. Paper specified in this Part of the series EN 868 is intended for use in part or complete manufacture of pouches and form and fill packs and lidding material for packs.