This thermosetting powder contains polyester resins cured with fit curing agents specially selected for their excellent resistance to UV radiation and outdoor weathering. The powder forms a decorative film with enhanced outdoor resistance. The Inverpul Polyester/M were created for coating aluminium components used in architecture and for coating galvanised steel and have all the necessary requirements for approval of the GSB specification (licence 152f). The Inverpul Polyester/M Cat. 1 have also all the necessary requirements for approval of the Qualicoat class 1 category 1 (licence P-0587) specification.