| http://www.w3.org/ns/prov#value | - cts (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; and, metal hydroxides, e.g. aluminum hydroxide and magnesium hydroxide or combinations thereof.
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