Ƙarfin fiber na polyamide yana da sau 1-2 fiye da na auduga, sau 4-5 ya fi na ulu, kuma sau 3 ya fi na fiber viscose.Koyaya, juriya na zafi da juriya mai haske na fiber polyamide ba su da kyau, kuma riƙewar kuma mara kyau.Tufafin da aka yi da fiber polyamide ba su da kyau kamar waɗanda aka yi da fiber polyester.Bugu da ƙari, nailan - 66 da nailan - 6 da ake amfani da su don tufafi suna da rashin lahani na rashin shayar da danshi da rini.Saboda haka, sabon nau'in fiber polyamide, sabon polyamide fiber nailan - 3 da nailan - 4, an haɓaka.Yana da halaye na nauyi mai sauƙi, kyakkyawan juriya na wrinkles, kyakkyawan iska mai kyau, kyakkyawan tsayi, rini da yanayin zafi, da dai sauransu, don haka ana la'akari da shi sosai.
Irin wannan samfurin ana amfani dashi sosai.Abu ne mai kyau don maye gurbin karfe, ƙarfe, jan ƙarfe da sauran ƙarfe da robobi.Yana da filastik injiniya mai mahimmanci;Ana amfani da simintin simintin gyare-gyare don maye gurbin ɓangarorin da ke jure lalacewa na kayan inji da tagulla da gami azaman sassan kayan aiki masu jure lalacewa.Ya dace da yin sassa masu jurewa, sassan tsarin watsawa, sassan kayan lantarki na gida, sassan masana'antar kera motoci, sassa na rigakafin sandar dunƙule, sassan injin sinadarai da kayan aikin sinadarai.Irin su injin turbine, gear, bearing, impeller, crank, kayan aiki panel, drive shaft, bawul, ruwa, dunƙule sanda, high-matsi mai wanki, dunƙule, goro, hatimi zobe, jirgin, hannun riga, shaft hannun riga haši, da dai sauransu.