BS 3900- D8 discusses test methods for paints. The aim of the BS 3900-D series is to provide the best industrial practice to ensure the reliability of paints.
BS 3900- D8 describes the colorimetric terms and fundamental requirements necessary for determining the colour coordinates of paint films and related materials.
BS 3900-D8 on optical tests on paint films is useful for:
The paint opacity is also greatly determined by the dispersion status of the pigment particles in the liquid medium. Complete dispersion of the pigments is required for optimum colour strength, good opacity as well as improved mechanical characteristics of the coating film.
BS 3900-D8 provides colorimetric terms and fundamental requirements for determining the colour and the colour difference of the paint. This helps to accurately understand the relevant text and eases the task of the users while operating colorimetry.