PE chemical lub npe yog tawm cov polyethylene, muab faib ua ob hom. Nws yog high-density linear polyethylene, peb feem ntau hu nws cov HDPE, qhov sib npaug ntawm cov kab uas muaj tsawg, yog qhov peb hu ua LDPE.PP cov tshuaj hu ua polypropylene.
Cov hnab ntaub ntawm cov khoom raw li PE khoom, uas yog, LDPE thiab LLDPE cov khoom siv hluav taws xob, xws li lub hoobkas nrog cov hnab yas PE hnab yas, xws li electronics koom xwm, hluav taws xob cog, kho vajtse Hoobkas, yas hoobkas, , Khau Hoobkas thiab lwm yam.
PE hnab yas siv dav. Cov neeg ua liaj ua teb siv thaum lub caij nplooj ntoos hlav thaum cov duab PE, PE hnab zoo nkaus li pob tshab, hnov zoo heev, suab mos muag tsis zoo thiab muaj zog (uas yog LLDPE tom haujlwm).
Cov hnab yas PP rau feem ntau ntawm cov khoom ntim khoom plig, nrog rau cov khaub ncaws muag tiav, peb yuav cov khaub ncaws tshiab nrog cov hnab yas thiab ib txheej ob lub hnab yas uas muaj ob lub hnab yas uas feem ntau yog PO hnab yas.
Cov hnab yas PP yog pob tshab zoo heev, pom tau zoo heev, tab sis nyuab heev, nrov nrov thiab txhaws heev, nws yuav ploj mus yuav muaj creases, quav PE hnab yas tsis ua. Vim hais tias lub koob meej yog qhov zoo, yog li thaum khoom plig zoo li qib siab.
