Word: hycar
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Four other elastomers are made from butadiene: Perbunan, Chemigum, Hycar and Ameripol. Perbunan is made with acrylonitrile but the formulas of the others have not been published. All are highly resistant to oil and are used for oil hose, gasoline hose and gaskets. Hycar makes an excellent ebonite, or hard rubber, when vulcanized. Ameripol is featured for tires by Goodrich. None of these is included in the Baruch program; they are in production without emergency Government financing...
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