Shellac Sanding Sealer is a pale coloured solution of bleached shellac and grain filler, dispersed in Methylated Spirits for sealing bare timber, inclusing MDF, prior to French polishing or waxing. You can 'build up' the surface by applying multiple coats (up to 5), the final coat can be applied 50% Methylated Spirits and 50% Shellac Sanding Sealer.
