Litaba

1. Liphapang ts'ebelisong.
Sekala sa tšebeliso ea poleiti ea PE: se sebelisoa haholo indastering ea lik'hemik'hale, mechineng, indastering ea lik'hemik'hale, motlakaseng, liaparong, liphuthelong, lijong le mesebetsing e meng. Se sebelisoa haholo lipalangoangng tsa khase, phepelong ea metsi, likhoerekhoere, nosetsong ea temo, merafong ea li-substance tse nyane, hammoho le masimong a oli, indastering ea lik'hemik'hale le likhokahanong tsa poso le tsa mehala, haholo-holo lipalangoangng tsa khase.

Sekala sa tšebeliso ea poleiti ea Pp: lisebelisoa tsa ho hanyetsa asiti le alkali, lisebelisoa tsa tšireletso ea tikoloho, metsi a litšila, lisebelisoa tsa ho ntša khase e litšila, tora ea ho hlatsoa, ​​​​kamore e hloekileng, fektheri ea semiconductor le lisebelisoa tse amanang le eona tsa indasteri, hape ke khetho ea pele bakeng sa tlhahiso ea tanka ea metsi ea polasetiki, poleiti e teteaneng ea pp e sebelisoa haholo poleiting ea ho phunya, poleiting ea ho phunya le tse ling.
2. Liphapang tsa litšobotsi.
Poleiti ea PE e bonolo, e na le ho tiea ho itseng, ho hanyetsa tšusumetso le ts'ebetso ea buffer e betere, ts'ebetso ea poleiti e bōpiloeng e betere; PP boto e thata haholo, thepa ea mechini ha e ntle, ho tiea ho tlase, buffer e fokolang ea tšusumetso.
3. Phapang ka thepa.
Boto ea PP, e tsejoang hape e le boto ea polypropylene (PP), ke thepa e semi-crystalline. E thata ho feta PE 'me e na le ntlha e phahameng ea ho qhibiliha. Letlapa la PE ke resin e phahameng ea kristale, e seng polar thermoplastic. Ponahalo ea HDPE ea pele e tšoeu joaloka lebese, e nang le khanya e itseng karolong e tšesaane.