| http://www.w3.org/ns/prov#value | - Acceptable polymers include the following polymeric materials: polyurethane, polyurethaneurea, polyvinylpyrrolidone, polyethylene oxide, polyacrylic acid, hydroxyethylmethacrylate, carboxymethyl cellulose, polyvinyl alcohol, polyacrylamide, dextran and other polysaccharides, starches, guar, xantham and other gums and thickeners, collagen, gelatins and other biological polymers.
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