| http://www.w3.org/ns/prov#value | - ts (matting, extrudates) or glass microspheres; - metal oxides, such as zinc oxide, calcium oxide, magnesium oxide and aluminum oxide; - metal carbonates, such as magnesium carbonate, calcium carbonate and zinc carbonate; - metal hydroxides, e. g. aluminum hydroxide and magnesium hydroxide; - carbon blacks ; the carbon blacks to be used here are prepared by the lamp black, furnace black or gas bla
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