2026-05-28
Daaweynta dusha sare ee PTFE ee isku-xidhka isku-xidhka waxay isticmaashaa laba hab oo waaweyn: dhalaalid heerkul sare ah (iska caabbinta cimilada sare, 9.5 MPa xoogga leh wakiilka isku-xidhka, laakiin sii daaya gaasaska sunta ah) iyo sodium-naphthalene etching (5 MPa adhesion degdeg ah, cidhiidhi 24-48 saacadood daaqad, qashinka khatarta ah). Dooro ku salaysan xakamaynta deegaanka iyo muddada dheer vs. waxqabadka muddada gaaban.
Sii akhri