Gyaran jiki na PBT zai iya ingantawa da haɓaka kayan aikin injiniya na kayan aiki da kuma inganta kayan haɓakar wuta.Babban hanyoyin gyare-gyare sune: gyare-gyaren fiber ƙarfafa, gyare-gyaren harshen wuta, nau'in alloy (misali PBT/PC alloy, PBT/PET alloy, da dai sauransu).

A duk duniya, ana amfani da kusan 70% na resins na PBT don samar da PBT da aka gyara kuma ana amfani da 16% don samar da alluran PBT, waɗanda ake amfani da su sosai a cikin masana'antar kera motoci, lantarki da lantarki da injina.Wani kashi 14% na resins na PBT da ba a ƙarfafa su ana fitar da su a cikin monofilaments don tace zane da sieves don injin takarda, kaset ɗin marufi, buffer buffer don igiyoyin fiber optic da kuma fina-finai masu kauri don kwantena masu zafin jiki da trays.

gyare-gyaren cikin gida na samfuran PBT sun fi mayar da hankali kan ƙarfafa fiber gilashi da ƙarfin wuta, musamman ma PBT da aka yi amfani da shi azaman babban guduro mai tsayi don fiber na USB sheath suturar kayan ya fi girma, amma dangane da juriya na baka, ƙananan warpage, babban ruwa, babban tasiri. ƙarfi, babban juzu'i kwanciyar hankali, babban lankwasawa modules, da dai sauransu bukatar a karfafa.

A nan gaba, masana'antun cikin gida ya kamata su ƙara haɓaka ƙasa don haɓaka gyare-gyaren PBT da PBT alloys, da ƙarfafa binciken su da ƙarfin haɓakawa a cikin tsarin gyare-gyaren gyare-gyare, ƙididdigar tsarin CAD da kuma nazarin kwararar mold na abubuwan PBT.