Polythene ndeimwe yemapurasitiki anozivikanwa zvikuru pasi rose. Ipolymer inoshandiswa zvakasiyana-siyana yakakodzera kushandiswa kwakasiyana-siyana, kubva kumafirimu anorema ekudzivirira hunyoro ekuvaka matsva kusvika kumabhegi nemafirimu akareruka uye anochinjika.

Mhando mbiri huru dzePE dzinoshandiswa muchikamu chemafirimu nepakeji inochinjika - LDPE (low density), inowanzo shandiswa pamapallet nemafirimu anorema akadai semabhegi nemasaga anogara kwenguva refu, matune epolyethylene, mafirimu ekudzivirira, mabhegi ezvekudya, nezvimwewo.HDPE (yakanyanya kuwanda), Kune akawanda mabhegi ezviyo zvakatetepa, mabhegi matsva emichero, uye mamwe mabhodhoro nemakepisi.

Kune mamwe marudzi maviri makuru aya. Zvigadzirwa zvese zvine hunhu hwakanaka hwekudzivirira hutsi kana hunyoro uye hazvina makemikari.

Nekuchinja maformula epolyethylene uye zvirevo, vagadziri/vagadziri vema processor vanogona kugadzirisa simba uye kuramba kubvaruka; kujeka uye kunzwa; kuchinjika, kugona kuumbwa, uye kugona kufukidza/kunamira/kudhinda. PE inogona kudzokororwa, uye mabhegi mazhinji emarara, mafirimu ekurima, uye zvigadzirwa zvinogara kwenguva refu zvakaita semabhenji epaki, mabhoda, uye mabhokisi emarara zvinoshandisa polyethylene yakadzokororwa. Nekuda kwekukosha kwayo kwakanyanya kwemafuta,Zvinopihwa nePEkudzoreredza simba zvakanaka kuburikidza nekupisa kwakachena.

Uri kuda kutenga HDPE here?

chikumbiro
Mabhareni emakemikari, majagi epurasitiki, mabhodhoro egirazi, matoyi, midziyo yepikiniki, midziyo yemumba neyekicheni, tambo dzinodzivirira kupisa, mabhegi ekutakura, zvinhu zvekurongedza chikafu.

hunhu
Inochinjika, inopenya/ine wakisi, inodzivirira mamiriro ekunze, yakasimba tembiricha yakaderera (kusvika -60′C), iri nyore kugadzirisa nenzira dzakawanda, inodhura zvishoma, inodzivirira makemikari zvakanaka.

hunhu hwemuviri
Simba rekusimba 0.20 – 0.40 N/mm²
Simba rekurova rakachekwa pasina kutyoka Kj/m²
Kuwedzerwa kweThermal Coefficient 100 – 220 x 10-6
Tembiricha yepamusoro yekushandisa nguva dzose 65 oC
Kuwanda kwemvura 0.944 – 0.965 g/cm3

kuramba kwemakemikari
Sanganisa asidhi****
Hwaro hwakasanganiswa ****
Girazi ** Rinoshanduka
Mahydrocarboni eAliphatic *
Zvinonhuhwirira *
Mahydrocarbon ane halogenated *
Zvinwiwa zvinodhaka****

Kutsoropodza * Kusasimba ** Pakati nepakati *** Zvakanaka **** Zvakanaka Kwazvo

Zvidzidzo zvemazuva ano

Magaba emubindu akagadzirwa nepolyethylene ine huwandu hwakawanda. Kudhura kwakaderera, kuomarara kwakanyanya uye nyore kushandisa pakugadzira midziyo inoita kuti jira iri rive sarudzo yechisikigo yemidziyo yemubindu.

Bhodhoro repurasitiki reHDPE
Mabhodhoro epurasitiki ane huwandu hwakanyanya hwepolyethylene (HDPE) isarudzo yakakurumbira yekurongedza mumisika yemukaka nejusi nyowani. Semuenzaniso, muUK, mabhodhoro ekudyisa eHDPE anosvika mabhiriyoni mana anogadzirwa uye anotengwa gore rega rega.

HDPE inopa mabhenefiti akawanda kune vagadziri, vatengesi nevatengi.

Mabhenefiti emabhodhoro eHDPE
Inogona kushandiswazve: Mabhodhoro eHDPE anogona kushandiswazve 100%, saka zvinhu zvacho zvinogona kushandiswazve

Inochengetedza: HDPE inopa mukana wekubatanidzazve zvinhu zvakadzokororwa mucheni yekugovera

Kurerutsa Zviri Nyore: Mabhodhoro eHDPE Anopa Mikana Yakakosha Yekurerutsa Zvishoma

Inochinjika zvakanyanya: bhodhoro repurasitiki chete rinogona kushandiswa semukaka wakaiswa pasteurized, kana seUHT kana bhodhoro rakaiswa sterilized milk barrier co-extruded

Zviri nyore kushandisa: Rudzi rwekurongedza chete runobvumira mibato yakabatana uye maburi ekudurura kuti ubate nekudurura zvine hungwaru

Yakachengeteka: Rudzi rwepakeji chete runogona kuva nechisimbiso chekunze chinoonekwa sechinokanganiswa kana chisimbiso chekupisa che induction kudzivirira kubuda kwemvura, kuchengetedza kutsva kwechigadzirwa, uye kuratidza humbowo hwekukanganiswa

Zvekutengeserana: Mabhodhoro eHDPE anopa mikana yakawanda yekushambadzira, yakadai sekudhinda zvakananga pachinhu chacho, kudhinda zvakananga paruoko kana papepa rekunyorera, uye kugona kugadzirisa chimiro kuti chionekwe zvakanaka pasherufu.

Kugadzira zvinhu zvitsva: Kukwanisa kupfuudza miganhu uye kuwana matanho matsva kuburikidza nekushandisa michina yekugadzira zvinhu zvitsva.

chokwadi chezvakatipoteredza
Mabhodhoro evana eHDPE ndeimwe yemidziyo yekurongedza inoshandiswa zvakanyanya muUK, neruzivo rwakabva kuRecoup runoratidza kuti inosvika 79% yemabhodhoro evana eHDPE anodzokororwa.
Paavhareji,Mabhodhoro eHDPEmuUK ikozvino yakareruka ne15% kupfuura makore matatu apfuura

Zvisinei, magadzirirwo matsva akadai sebhodhoro reInfini rakahwina mubairo zvinoreva kuti zvino zvave kukwanisa kuderedza huremu hwemabhodhoro akajairwa kusvika ku25% (zvichienderana nehukuru)

Paavhareji, mabhodhoro eHDPE muUK ane zvinhu zvinosvika 15% zvakadzokororwa

Zvisinei, kufambira mberi mune tekinoroji uye magadzirirwo matsva ezvigadzirwa zvinoreva kuti kubudirira kutsva kwave kugoneka. Semuenzaniso, muna 2013, Nampak yakawedzera 30 muzana yeHDPE yakadzokororwazve mumabhodhoro ayo emukaka eInfini, nyika yekutanga - makore maviri pamberi pechinangwa cheindasitiri.