This part of ISO 9727 specifies a test method for determining the percentage of diameter recovery of cylindrical cork stoppers, after compression. It is applicable to all types of cylindrical cork stoppers ready for use or semi-worked, intended to be completely inserted in the bottle neck (straight cork stoppers).
BS ISO 9727-4:2007 history
2007BS ISO 9727-4:2007 Cylindrical cork stoppers - Physical tests - Determination of dimensional recovery after compression