ISO 8781-3-1990 颜料和体质颜料.分散性评定方法.第3部分:光泽变化评定

标准号：ISO 8781-3-1990
中文标准名称：颜料和体质颜料.分散性评定方法.第3部分:光泽变化评定
英文标准名称：Pigments and extenders; methodes of assessment of dispersion characteristics; part 3: assessment from the change in gloss
标准类型：G53
发布日期：1999/12/31 12:00:00
实施日期：1990/11/15 12:00:00
中国标准分类号：G53
国际标准分类号：87.060.10
适用范围：The method is of general use for comparing similar pigments, for example a test pigment against an agreed reference pigment. The pigment is dispersed in stages under specified conditions in an agreed binder system. After each stage, a portion of the mill base is taken and made into a composition that is applied to a substrate and dried or stoved. The specular gloss of each dried film is determined as described in ISO 2813. The gloss values are plotted graphically as a function of the dispersion stage (expressed for example as time, number of revolutions of a muller). From the graph, the dispersion work necessary to obtain an agreed specular reflection value is determined.