The colours were developed especially for the plastics polystyrene and abs which are mainly used in modelling they adhere to metals also very well if the metal base 21 25 90 has been applied beforehand life colours liquid colours form a direct combination with the plastic surface and are thus scratch proof they can also be used for wood priming is recommended beforehand these model construction colours are delivered in convenient 15ml jars with screw caps are highly opaque very econ