BOTZ Unidekor are 24 liquid decorating colours, universally applicable in the firing range of 1000°–1250°C. Attention: 4003, 4005, 4015 lose colour from 1100°C on.Porcelain painting When decorating porcelain apply enough colour. Fire at min. 1200°C. Alternatively apply a thin coat of 9106 Transparent and fire at 1080°C. Majolica technique Apply BOTZ Unidekor to the dry glaze using a decoration brush (here BOTZ 9108 Transparent matt). See also glaze+paint technique on p. 28. Under-glaze technique BOTZ Unidekor is ideal for the decora- tion of biscuit fired unglazed pottery or biscuit tiles. Apply the slightly diluted colours like waterpaint. Possibly create a few colour highlights on top. When the colour is dry, apply a thin layer of Transparent with a soft brush. Fire at 1050°C. Relief. Unidekor is a great substitute for manganese dioxide which is hazardous to health. Simply apply and then wipe the upper surface with a slightly damp cloth..