In late 2013, WRAP initiated a call for projects to Courtauld Commitment 3 (CC3) signatories to provide funding and support in developing evidence to aid the delivery of the packaging target. The commissioned piece of work brought together the entire glass manufacturing supply chain, from retailer to glass manufacturer, with the aim of analysing the sorting of MRF glass streams and cleaning of these to produce material suitable for use by the container industry. The project was part-funded by Marks & Spencer (M&S) and Kent Resource Partnership (KRP). When glass containers are mixed with other dry recyclables, namely plastics, metals and paper during kerbside collections, they arrive crushed and contaminated at Materials Recovery Facilities (MRFs) and then are removed at the start of the sorting process. This process of recovery leads to a relatively low quality recyclate. Larger MRFs typically separate the glass into two size factions,
