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Sessions of York has signed a ten-year exclusive worldwide license with DataLase Ltd (Formerly Sherwood Technology) which will allow the self-adhesive label specialist to use its patented process indicator ink technology. This is a major step forward for Sessions in its supply of its DETEX gamma radiation indicators to the medical, surgical and food sterilisation industries.

Under the agreement, Sessions will manufacture and market these gamma sterilisation indicators, which are small but vital self-adhesive labels that undergo a simple colour change when exposed to gamma radiation. These paper labels with permanent adhesive are printed with the DataLase® ink which changes from yellow to red when activated at 5kGy radiation with an increased density of colour up to 100kGy. This provides an easy-to-identify visual indicator of whether the products have been sterilised or not.

Sessions offers two standard types of DETEX labels – Detex Dots and Detex Stripes. The Dots are unobtrusive 12mm circular labels while the Stripes are 48mm x 23mm in size with an 8mm strip of Detex ink printed down one side. This latter format allows the white area of the self-adhesive labels to be overprinted with variable information such as batch number, product number, date and time.

Using its machinery expertise, Sessions also supplies Thermal Transfer printers to overprint the Detex Stripe labels, as well as a range of fully automatic applicators to apply the Dots and Stripes to both products and packaging.

Sessions of York is acknowledged to be one of the UK’s leading and most progressive manufacturers of self-adhesive labels and labelling equipment. The company supplies an extensive range of high performance labelling machines, which are available ex-stock or can be custom built to suit individual requirements.

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