The Custom Colour range of aerosol colours was designed primarily for spraying clear polycarbonate model car bodyshells. It was developed with the aim of being easy to apply, covering and drying quickly, and achieving good adhesion to the medium. All of the regular colours achieve this totally, but as time has passed we have introduced “effect colours" such as fluorescents, Ice Candies and Fusions. Although we still try to make these as easy as possible to apply they are more difficult to use and do need a level of care to get a good finish.
Despite being able to cover a bodyshell in one heavy coat, probably without runs or sags the best and most reliable way, in the sense of the paint staying on the body is to spray a series of light, thin coats allowing each one to dry thoroughly before applying the next. Bodyshells flex a great deal, especially in crashes and although the paint does have a strong bond to the surface if one thick coat is applied it will be more rigid than the body. Should the body have to flex excessively, say in a crash, the paint layer not being as flexible as the body will inevitably crack and the bond being broken, come off. Applying the paint in a series of thin layers nets a much more flexible covering which will be less likely to come off.
To allow the effect to work these colours are not quite as dense as the regular colours, will take more coats to cover and more care to attain a finish without shading. Some can be a little translucent and will benefit from a silver backing.
These are a translucent colour that rely on a white base coat to create the effect. When applying the colour coat it is difficult to make sure that the colour is covering evenly so split the bodyshell into sections and spray systematically. Directions or this can be found on the flip side of this leaflet under the heading ‘Even Coverage’.