An overview of food package seals, covering systems for sealing packages, the importance of seal integrity and approaches to assessing integrity. This document was produced to help food technologists appreciate the principles of sealing packages and the methods for assessing seal integrity. It reviews the different sealing techniques that are available for flexible packaging and semi-rigid containers. It covers the applications of heat and cold seals, the equipment used to produce and seal packages, and the types of products that may be packed using these techniques. It also reviews the different approaches to assessing seal integrity and includes a number of colour images of seal defects and of equipment used to test seal integrity. The document is available from CCFRA, please email: orderon-line@www.campden.co.uk (price £60)
