| http://www.w3.org/ns/prov#value | - Preferably, the fluorocarbon polymers for use in the invention are coated onto MDI cans made of metal, especially MDI cans made of aluminium or an alloy thereof. [0059] Particularly preferred coatings are pure PFA and blends of PTFE and polyethersulphone (PES). [0060] Fluorocarbon polymers are marketed under trademarks such as Teflon???, Tefzel???, Halar??? and Hostaflon???, Polyflon??? and Neoflo
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