40 cm cirlce Floor pads are made using a comboination of techniques and premium materials. Available in red, black and white for different uses. BLACK: A very aggresive stripping pad, designed to be used to wet strip a floor. High quality abrasives make this an efficient tool for complete. floor finish removal. WHITE: A non-abrasive dry polishing pad for slow speed floor machines. The White-Polish pad will level scratches for a high lustre. RED: A light abbrasive pad for spray buffing to a satin gloss. The fibres are more open to help keep the p ad from glazing over.