Amashanyarazi asize amashanyarazi akozwe muri purvanine (C-icyuma, ibyuma bya Z-igice) nkibikoresho fatizo.Nyuma yo gukanda, gukora umwobo, gukata no gukora, ifu ya epoxy resin irashyuha mubushyuhe bwo hejuru kugirango ihindurwe kandi ihindurwe, hanyuma itunganyirizwe no gukiza nibindi bikorwa.
Epoxy resin ifite ibihe byiza birwanya ikirere.Epoxy resin layer itandukanya rwose guhuza icyuma nikirere, irinda okiside no kwangirika kwicyuma, ituma purline igira igihe kirekire kandi ikirinda nyuma yo kuyitaho.
Ikoranabuhanga rigezweho hamwe na siyanse yubumenyi ituma purlin ikomera kandi idashobora kwihanganira kwambara, hamwe no gufatana gukomeye kandi ntigusiba.Igice cyo kurwanya ruswa ntigishobora guturika cyangwa gukuramo nyuma yo kunama.