Polyethylene ni iduroṣinṣin kemikali to dara ati pe o le koju dilute nitric acid, dilute sulfuric acid ati eyikeyi ifọkansi ti hydrochloric acid, hydrofluoric acid, phosphoric acid, formic acid, acetic acid, amonia, amine, hydrogen peroxide, sodium hydroxide, potasiomu hydroxide ati awọn solusan miiran ni yara otutu.Ṣugbọn kii ṣe sooro si ibajẹ ifoyina ti o lagbara, gẹgẹbi fuming sulfuric acid, nitric acid ti o ni idojukọ, chromic acid ati sulfuric acid mix.Ni iwọn otutu yara, awọn ohun elo yoo mu idinku ti o lọra ti polyethylene, ati ni 90 ~ 100 ℃, sulfuric acid ogidi ati nitric acid ti o ni idojukọ yoo yara rọ polyethylene, ti o jẹ ki o bajẹ tabi decomposed.Polyethylene rọrun lati fọto ifoyina, oxidation thermal, ibajẹ ozone, rọrun lati dinku labẹ iṣẹ ti ina ultraviolet, carbon dudu ni ipa aabo ina to dara julọ lori polyethylene.Reactions bi crosslinking, pq fifọ ati awọn Ibiyi ti unsaturated awọn ẹgbẹ le waye lẹhin Ìtọjú.

Okun polyethylene jẹ ti alkane inert polima ati pe o ni iduroṣinṣin kemikali ti o dara.Ni iwọn otutu yara, acid, alkali, iyọ olomi ojutu ipata resistance, ṣugbọn kii ṣe oxidant ti o lagbara gẹgẹbi fuming sulfuric acid, ogidi nitric acid ati chromic acid.Polyethylene insoluble ni awọn olomi gbogbogbo ni isalẹ 60℃, ṣugbọn pẹlu aliphatic hydrocarbon, aromatic hydrocarbon, halogenated hydrocarbon ati awọn miiran gun-igba olubasọrọ yoo wú tabi kiraki.

Okun polyethylene ni iṣelọpọ ti polyethylene, polyethylene fun aapọn ayika (kemikali ati iṣẹ ṣiṣe ẹrọ) jẹ itara pupọ, ti ogbo ooru jẹ buru ju ilana kemikali polima ati ṣiṣan processing.Polyethylene le ṣe ilọsiwaju nipasẹ ọna imudọgba thermoplastic ti o wọpọ.O ti lo ni lilo pupọ. ni iṣelọpọ fiimu, awọn ohun elo apoti, awọn apoti, awọn paipu, monofilament, okun waya ati okun, awọn ohun elo ojoojumọ, ati bẹbẹ lọ, ati pe o le ṣee lo bi awọn ohun elo idabobo igbohunsafẹfẹ giga fun TV, radar, bbl.Pẹlu idagbasoke ile-iṣẹ petrochemical, iṣelọpọ ti polyethylene ti ni idagbasoke ni kiakia, ṣiṣe iṣiro fun iwọn 1/4 ti iṣelọpọ lapapọ ti ṣiṣu.Ni 1983, agbara iṣelọpọ lapapọ agbaye ti polyethylene jẹ 24.65 mT, ati agbara ti ọgbin labẹ ikole jẹ 3.16 mT.Awọn abajade iṣiro tuntun ni ọdun 2011, agbara iṣelọpọ agbaye ti de 96 MT, aṣa idagbasoke ti iṣelọpọ polyethylene fihan pe iṣelọpọ ati lilo ti n yipada ni kutukutu si Esia, ati China n di ọja alabara pataki julọ.