Iiplasitiki zobunjineli okhethekileyo zibhekisa kwiiplasitiki zobunjineli ezinepropathi ebanzi kunye neqondo lenkonzo yexesha elide ngaphezulu kwe-150 ℃. Ngokubanzi zombini ukunyangwa kobushushu obuphezulu, ukunganyangeki kwe-radiation, ukuxhathisa i-hydrolysis, ukumelana kwemozulu, ukuxhathisa kwemozulu, ilangatye lendalo, l ...
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