A paint composition suitable for use at high temepratures (up to 600‹C) of a substantially orange colour comprising bismuth vanadate (BiVO4), ferric (III) oxide (Fe2O3), a binder, and a solvent. In a particular embodiment of the invention the paint comprises the following composition:- % by weight excl. solvent Bismuth Vanadate 30.5 % Ferric III Oxide 13.5% Silicone Resin 28 % Acrylic Resin 28 % and the solvent. The solvent in this embodiment is a blend of propylene glycol ethers, and in particular comprises 79.1% 1-methyoxy-2 propanol and 20.9% dipropylene glycol monomethyl ether. The amount of solvent being varied depaending upon the particular method of applying the paint.
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