Mphamvu ya polyamide fiber ndi nthawi 1-2 kuposa ya thonje, nthawi 4-5 kuposa ubweya wa ubweya, ndi 3 nthawi zambiri kuposa ya viscose fiber.Komabe, kukana kutentha ndi kukana kuwala kwa ulusi wa polyamide ndizosauka, komanso kusungirako kumakhala koyipa.Zovala zopangidwa ndi ulusi wa polyamide sizowoneka bwino ngati zopangidwa ndi ulusi wa polyester.Kuonjezera apo, nayiloni - 66 ndi nayiloni - 6 zomwe zimagwiritsidwa ntchito popanga zovala zimakhala ndi zovuta za kuyamwa kosauka kwa chinyezi ndi utoto.Choncho, mitundu yatsopano ya ulusi wa polyamide, ulusi watsopano wa polyamide wa nayiloni - 3 ndi nayiloni - 4, wapangidwa.Ili ndi mawonekedwe a kulemera kopepuka, kukana bwino kwa makwinya, kutulutsa mpweya wabwino, kukhazikika bwino, utoto ndi kuyika kutentha, ndi zina zotere, motero amaonedwa kuti ndi odalirika kwambiri.
Mankhwala amtunduwu amagwiritsidwa ntchito kwambiri.Ndi chinthu chabwino kusintha zitsulo, chitsulo, mkuwa ndi zitsulo zina ndi mapulasitiki.Ndi pulasitiki yofunikira yaukadaulo;Nayiloni ya Cast imagwiritsidwa ntchito kwambiri m'malo mwa zida zamakina zosavala komanso mkuwa ndi aloyi ngati zida zosagwirizana ndi zida.Ndioyenera kupanga ziwiya zosamva kuvala, zida zotumizira, zida zamagetsi zapakhomo, zida zopangira magalimoto, zida zamakina oteteza ndodo, zida zamakina ndi zida zamankhwala.Monga turbine, gear, bearing, impeller, crank, panel panel, drive shaft, valve, blade, screw rod, high-pressure washer, screw, nati, mphete yosindikizira, shuttle, sleeve, shaft sleeve connector, etc.