1 Of course! Mineral fillers do support the efficiency of titanium dioxide. Decisive are just a few key parameters such as particle size and distribution, absorption characteristics and specific surface area. Historically people selected by mineral type which had been locally available. But nowadays even functional mineral fillers travel long distances. In principle the absorption characteristics, which quite often correlate with the specific surface area, define the range of the pigment volume concentration (PVC) where the mineral filler is preferable used. This is valid for the effect of dry hiding, where mineral fillers contribute to the opacity when ...
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