Polythene yog ib qho ntawm cov yas nrov tshaj plaws hauv ntiaj teb. Nws yog ib qho polymer uas siv tau ntau yam, los ntawm cov yeeb yaj kiab tiv thaiv dej noo rau kev tsim kho tshiab mus rau cov hnab thiab cov yeeb yaj kiab uas tsis hnyav thiab yoog tau.

Ob hom PE tseem ceeb siv rau hauv zaj duab xis thiab cov khoom ntim khoom yooj ywm - LDPE (qis ntom), feem ntau siv rau cov pallets thiab cov yeeb yaj kiab hnyav xws li cov hnab thiab cov hnab ntev, cov qhov polyethylene, cov yeeb yaj kiab tiv thaiv, cov hnab zaub mov, thiab lwm yam. thiabHDPE (qhov ceev siab), Rau feem ntau cov hnab nyias nyias, cov hnab ntim khoom noj tshiab, thiab qee lub raj mis thiab lub hau.

Muaj lwm cov qauv ntawm ob hom tseem ceeb no. Txhua yam khoom muaj cov yam ntxwv zoo tiv thaiv pa lossis dej noo thiab tsis muaj tshuaj lom.

Los ntawm kev hloov cov qauv polyethylene thiab cov lus qhia tshwj xeeb, cov neeg tsim khoom / cov txheej txheem tuaj yeem hloov kho qhov cuam tshuam thiab kev tiv thaiv kua muag; qhov tseeb thiab kev xav; kev ywj pheej, kev ua kom zoo nkauj, thiab kev muaj peev xwm txheej / laminating / luam ntawv. PE tuaj yeem rov ua dua tshiab, thiab ntau lub hnab khib nyiab, cov yeeb yaj kiab ua liaj ua teb, thiab cov khoom siv ntev xws li lub rooj zaum hauv tiaj ua si, bollards, thiab cov thawv khib nyiab siv cov polyethylene rov ua dua tshiab. Vim nws cov nqi calorific siab,PE cov kev pabcuamrov qab tau lub zog zoo heev los ntawm kev hlawv hluav taws huv.

Xav yuav HDPE?

daim ntawv thov
Cov thoob tshuaj lom neeg, cov thawv yas, cov fwj iav, cov khoom ua si, cov khoom siv noj mov sab nraum zoov, cov khoom siv hauv tsev thiab chav ua noj, cov khoom rwb thaiv hluav taws xob, cov hnab tote, cov ntaub ntawv ntim khoom noj.

yam ntxwv
Yooj yim hloov pauv, pom tseeb / ua los ntawm roj hmab, tiv taus huab cua, zoo toughness thaum kub qis (txog -60′C), yooj yim rau feem ntau txoj kev ua tiav, pheej yig, zoo tiv taus tshuaj lom neeg.

cov khoom siv lub cev
Lub zog tensile 0.20 – 0.40 N/mm²
Lub zog cuam tshuam tsis muaj kev tawg Kj / m²
Cov Coefficient ntawm Thermal Expansion 100 - 220 x 10-6
Qhov kub siab tshaj plaws siv tas mus li 65 oC
Qhov Ceev 0.944 – 0.965 g/cm3

kev tiv thaiv tshuaj lom neeg
Cov kua qaub ****
Lub hauv paus uas tau diluted ****
Roj ** Hloov tau
Cov roj av aliphatic *
Cov tshuaj tsw qab *
Cov hydrocarbons Halogenated *
Cov Cawv ****

Tseem ceeb * Tsis zoo ** Nruab nrab *** Zoo **** Zoo heev

Cov ntaub ntawv tshawb fawb tam sim no

Cov thawv vaj ua los ntawm cov polyethylene uas muaj zog heev. Tus nqi qis, ruaj khov thiab yooj yim rau kev tshuab pwm ua rau cov khoom siv no yog qhov kev xaiv ntuj rau cov rooj tog vaj.

Lub raj mis yas HDPE
Cov fwj yas polyethylene uas muaj zog heev (HDPE) yog cov kev xaiv ntim khoom nrov rau kev lag luam mis nyuj thiab kua txiv hmab txiv ntoo tshiab. Piv txwv li, hauv UK, kwv yees li 4 billion lub raj mis pub mis HDPE raug tsim thiab yuav txhua xyoo.

HDPE muaj ntau yam txiaj ntsig rau cov chaw tsim khoom, cov khw muag khoom thiab cov neeg siv khoom.

Qhov zoo ntawm cov fwj HDPE
Siv Tau Dua: Cov fwj HDPE yog 100% siv tau dua, yog li cov khoom siv tuaj yeem siv dua

Kev Ruaj Ntseg: HDPE muab lub sijhawm los rov ua cov khoom siv rov ua dua tshiab rau hauv cov khoom xa tuaj

Kev Ua Kom Yooj Yim Rau Kev Sib Nraus: Cov Raj Mis HDPE Muab Cov Caij Nyoog Ua Kom Yooj Yim Rau Kev Sib Nraus

Yooj yim hloov kho heev: lub raj mis yas nkaus xwb uas siv tau ua cov mis nyuj pasteurized monolayer, lossis ua UHT lossis cov mis nyuj sterilized barrier co-extruded fwj

Yooj yim siv: Tsuas yog hom ntim khoom uas tso cai rau kev sib xyaw ua ke ntawm cov tes tuav thiab cov qhov nchuav rau kev tswj hwm kev tuav thiab nchuav

Muaj kev nyab xeeb thiab ruaj ntseg: Tsuas yog hom pob khoom uas muaj lub foob sab nraud uas pom tseeb tias muaj kev cuam tshuam lossis lub foob cua sov uas tiv thaiv kev xau, khaws cov khoom kom tshiab, thiab qhia pov thawj ntawm kev cuam tshuam.

Kev Lag Luam: Cov fwj HDPE muaj ntau yam kev lag luam, xws li luam ntawv ncaj qha rau ntawm cov khoom siv, luam ntawv ncaj qha rau ntawm lub tes tsho lossis daim ntawv lo, thiab muaj peev xwm hloov kho cov duab kom nws sawv tawm ntawm lub txee.

Kev Tsim Kho Tshiab: Lub peev xwm los thawb cov ciam teb thiab ua tiav cov hom phiaj tshiab los ntawm kev siv cov khoom siv tshuab molding tshiab.

cov ntaub ntawv ib puag ncig
Cov raj mis menyuam yaus HDPE yog ib qho ntawm cov khoom ntim khoom siv rov ua dua tshiab tshaj plaws hauv UK, nrog rau cov ntaub ntawv los ntawm Recoup qhia tias kwv yees li 79% ntawm cov raj mis menyuam yaus HDPE raug rov ua dua tshiab.
Qhov nruab nrab,Cov fwj HDPEnyob rau hauv UK tam sim no yog 15% sib dua li lawv tau peb xyoos dhau los

Txawm li cas los xij, cov qauv tsim tshiab xws li lub raj mis Infini uas tau txais txiaj ntsig zoo txhais tau tias tam sim no nws muaj peev xwm txo qhov hnyav ntawm cov raj mis txheem txog li 25% (nyob ntawm qhov loj me)

Qhov nruab nrab, cov fwj HDPE hauv UK muaj txog li 15% cov khoom siv rov ua dua tshiab

Txawm li cas los xij, kev nce qib hauv thev naus laus zis thiab kev tsim cov khoom tshiab txhais tau tias cov kev ua tiav tshiab tau ua tau. Piv txwv li, xyoo 2013, Nampak tau ntxiv 30 feem pua ​​​​​​ntawm HDPE rov ua dua tshiab rau nws lub raj mis mis Infini, thawj zaug hauv ntiaj teb - ob xyoos ua ntej lub hom phiaj kev lag luam.