Biostrip 20 from FUZE Products is easy to use and safe. With high quality and proven performance it can be used in most situations to remove paint, varnish, primer etc from a wide range of surfaces. Water based solution providing a more ecological approach to paint and varnish stripping. Biostrip 20 can remove : Water Based Paints (emulsion, acrylic etc). Oil Based Paints (gloss, radiator etc). Primers (standard, chrome, aerospace etc). Varnish. Suitable for use on the following surfaces : Soft and Hard Wood, Stone, Brick, Concrete, Masonry uPVC, Metals, Glass. Directions for Usage: Step 1: Brush evenly onto paint that you intend to remove.