Ukusabela kwe-oxidation nokuguga kujwayele ukwenzeka ngesikhathi sokucutshungulwa kanye nokusetshenziswa kwepulasitiki, iraba nezinye izinto ze-polymer, okuholela ekuncishisweni kwamandla omthelela wokubukeka kwempahla, amandla okulwa nokulwa, amandla okudonsa kanye nokwelula nezinye izakhiwo.