| http://www.w3.org/ns/prov#value | - Gamma-stable materials, acceptable for use in making the valve 10 of the present invention include PEEK, polyesters, PETG, polycarbonate, polycarbonate alloys, polysulfone, polyurethane, PEKK, polyetherimide, thermosets, polyamides, PAEK, and flouroplastics other than PTFE and FEP. Examples of acceptable thermosets include polyimides, polyurethanes, and polyesters.
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