CTBNburadiene-acrylonitrile copolymer ne mai ƙarewar carboxyl, ƙungiyar carboxyl a matsayin rukunin aiki, ana iya amfani dashi gabaɗaya a cikin jirgin sama da wuraren masana'antu na farar hula. Sakamakon ƙungiyar da ta ƙare ta carboxyl ta sa tana iya amsawa tare da resin epoxy don haɓaka taurin.