This Part specifies a method for determining the degree of dispersion commonly referred to as the fineness of grind, of pigments in vehicle systems of paints and related products by the use of a suitable gauge, graduated in micrometres.
SS 5 Pt.B13-1987 history
1987SS 5 Pt.B13-1987 Methods Of Test For Paints, Varnishes And Related Materials Part B13: Fineness Of Grind