Fillers do have a long history in paints and coatings, often perceived as the bulk material helping to decrease cost in paint formulations. Reducing TiO2 content and increase film build was the main factor. This is still true, especially for TiO2 extenders. The thread of stricter labelling or potential ban gives this group of coating ingredients a fresh breath of air. Other fillers having distinctive tasks during production, application and the dried film. They are sophisticated products, having hardly anything in common with their raw materials deriving from natural sources. The umbrella term: Filler does not indicate the ...
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