| http://www.w3.org/ns/prov#value | - The mixtures of the invention may also contain further customary additoves, e.g. plasticisers, extenders, fillers and reinforcing agents, for example textile fibres, glass fibres, asbestos fibres, boron fibres and carbon fibres, mineral silicates, metal powders, e.g. aluminium powder or iron powder, and also pigments and dyes such as carbon black, oxide pigments and titanium dioxide, flame retarda
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