The liberon button shellac flakes produce a golden brown coloured french polish which is often used in antique restoration or the bespoke production of furniture performance used to make up french polishes suitable for antique restoration and furniture production easy to use golden brown in colour how to use add 250g of button shellac flakes to 1 l of methylated spirit and allow the shellac flakes to soak for a minimum of 24 hours or until all the shellac flakes have dissolved