Application of Tristimulus Colorimetry to the Prediction of Colour Fastness of Nylon Fibre

The colour fastness of melt-coloured nylon fibre exposed to various destructive influences is predicted. The conventional concepts of colorimetry are employed in making these fastness calculations. Results are given for predictions of fading after exposure to ultra-violet light, and after hypochlorite bleach treatment of the precoloured nylon fibre. The generality of the method is discussed. Application to other types of fastness calculations is suggested.