| http://www.w3.org/ns/prov#value | - In the preferred embodiment, the fibers in the hopper 18 are comprised of 52.5% curled fiberglass, available commercially from Owens-Corning Fiberglass Corporation; 17.5% Compet???polyester fiber, available commercially from Allied Corporation; and 30% of a thermoplastic, binder fiber know such a Vinyon???, available commercially from Celeanese Corporation; or polyester fibers such as Dacron???, a
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