Xa kuthelekiswa nezikhonkwane zentsimbi, izikhonkwane ezikhethekileyo zeplastiki zibonakaliswa ngamandla aphakamileyo, ubunzima obulula, akukho kufunxeka kwamanzi, akukho mhlwa, ukuxhathisa kwe-corrosion, i-anti-static, i-dust-proof-proof, imibalabala, kwaye kulula ukuyiqhuba (inokunqunyulwa kwaye ipoliswe ngaphandle kokonakalisa. izixhobo) , Ukumelana nomlilo, ukungagqabhuki, ukugquma, njl.