is a collective name for unpigmented coating materials consisting of non-thickened oils or resin solutions or mixtures of these materials. As a result, the term 'varnish' must be used with identifying wording (e.g. linseed oil varnish, resin varnish) in individual cases. Varnish is characterised by its good drying capacity. In general, varnish refers to an oil whose drying capacity is significantly enhanced by the addition of siccatives