prov:value
| - If one is formed from polyvinyl butyral, the other is a polymer other than polyvinyl butyral, including acrylonitrile-styrene copolymer resin, polystyrene, styrene-acryl copolymer resin, chlorinated rubber, vinyl chloride resin, chlorinated vinyl chloride resin, vinyl acetate, vinyl chloride-vinyl acetate copolymer resin, vinyl chloride-acrylate copolymer resin, saturated polyester resin, polyeste
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