| http://www.w3.org/ns/prov#value | - Fillers also include synthetic reinforcing fibers including polyesters such as polyethylene terephthalate, polyvinylalcohol; and high tenacity fibers with high thermal stability, including basalt fibers, carbon fibers, aromatic polyamide fibers, polybenzimidazole, also polyimide fibers such as polyimide 2080 and PBZ fiber (both products of Dow Chemical Company, Midland, Mich.
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