Muguhitamo monomers yihariye, umuntu arashobora kugera kuri kristalisable kandi ihoraho ya polyamide.Crystallite ni nto cyane kuburyo idatatanya urumuri rugaragara, kandi ibintu bigaragara neza mu jisho ryumuntu - umutungo uzwi nka microcry stallinity.Kubera kristu yacyo, imiterere ya microcrystalline igumana ibintu byingenzi nko guhangana ningutu - kutagira igicu.Urwego rwo korohereza ibintu ntirukwiye, ariko, nta ngaruka mbi rufite ku kugabanuka kwimyitwarire yibice.Ifite isotropic igabanuka nkibikoresho bya amorphous.
Nibintu bike-bigaragara, polyamide ibonerana burundu kugirango ibe inshinge.