Wok bilong ol plastik ol i bin senisim long wok bilong ol ka i wok long kamap klia moa. Bighaf blong ol ples insaed mo aotsaed blong ol trak, oli mekem long ol plastik we oli jenisim.
PP, ABS, PA, PC, POM, PBT, PRT, PRT, PVC na ol narapela plastik ol i save yusim planti long ol ka. Namel long olgeta otomotiv plastik, PP i gat bikpela sea, wantaim PP akaunting bilong 37%, bihain long PA wantaim 17.3% na ABS resin wantaim 12.3%
Bikos PP, TPU, na ABS i akauntim moa long 50% bilong olgeta, na bikos pendant methyl grup long PP straksa na unsaturated dabol bon long ABS straksa i mekim na ol samting yet i go lapun isi moa long ol narapela plastik ol i bin senisim, ol i senisim ol samting i stap longpela taim long dispela tripela samting. Em inap lukautim o kisim strong bilong ol ultraviolet rei, daunim single oksijen na daunim haidroperoksait i go long ol samting i no wok, olsem na ol hai molekiul polima inap rausim o sloim daun posibol bilong fotokemikel riaksen, stopim o daunim aninit long rediesen bilong lait i kamap, olsem wanem long winim as bilong skruim sevis laip bilong ol hai molekiula prodak.
Bilong lukautim gut ol ka long taim bilong san i hat tru, ol stabilisa em ol bikpela samting bilong pasim san long indastri bilong ol ka .
