Frantschach Coating has developed the "Direct Lidding system" which enables a variety of specially polymer-coated paper, film and aluminium lidding materials to be securely contact or induction heatsealed onto untreated glass packs, eliminating the need for pre-treatment with chromium-containing chemicals or the use of glue.

The system is said to simplify the sealing process, be “more environmentally friendly” than conventional lidding methods and is FDA and EU-approved for direct food contact.