Kulimba kwamphamvu kwa chingwe cha PET nthawi zambiri kumachokera ku 160 mpaka 635 kilogalamu, kutengera kukula kwake komanso mtundu wake wopanga. Kuyeza uku kumayimira mphamvu yayikulu yomwe chingwe cha polyethylene terephthalate chingapirire chisanathyoke, ndikupangitsa kukhala chinthu chofunikira kwambiri pakugula mana.