Cov yam ntxwv thiab daim ntawv thov ntawm PE tso zaj duab xis

LDPE (kev kub siab tsis tshua muaj siab polyethylene): non-toxic, tasteless, odorless, translucent spherical los yog cylindrical hais, zoo heev kub tsis kam, tshuaj tsis kam, zoo extensibility, hluav taws xob rwb thaiv tsev, tab sis tsis ntub ntub, Flammable. Ceev: 0.910—0.9408G/CM3 (g/cm3), haum rau extrusion, hlwv, txhaj tshuaj molding, nqus tsev, molding, thiab conversion molding thiab lwm yam kev ua. Lub crystallinity yog 55-65 feem pua, thiab cov crystal melting point yog 108-126 degree .

HDPE (tsis tshua muaj siab high-density polyethylene): non-toxic, tasteless, odorless dawb hmoov los yog columnar los yog ib nrab voj voog, nrog hnav tsis kam, capacitance kuj, dej impermeability, flammability, tsis yooj yim sua. Lub melting point yog hais txog 130 degree, thiab tus txheeb ze ntom ntom yog 0.941-0.965. Nws muaj qhov kub thiab txias tsis kam. Nws muaj kev ruaj ntseg tshuaj zoo, siab rigidity thiab toughness, zoo mechanical zog, zoo dielectric zog thiab ib puag ncig kev nyuaj siab cracking kuj.

Ceev: {{0}}.941—0.9708G/CM3 (g/cm3), siv: Feem ntau yog siv rau blister molding, manufacturing ntau lub raj mis, kaus poom, chim, industrial cia tank, thiab lwm yam., hollow ntim.

LLDPE (Linear Low Density Polyethylene): tasteless, odorless, non-toxic hmoov los yog granules, siab hardness thiab anti-coj zog, zoo tshav kub sealing thiab kub tack. Qhov ceev: 0.91—0.940G/CM3 (g/cubic centimeter); Feem ntau yog siv los ua cov yeeb yaj kiab, tab sis kuj yog rau kev txhaj tshuaj molding thiab blistering. Piv nrog LDPE, nws muaj qhov zoo ntawm lub zog siab, zoo toughness, muaj zog rigidity, kub tsis kam thiab txias tsis kam.

PE tso zaj duab xis yog polyethylene yas nrog cov khoom siv tshuaj ruaj khov. Nws feem ntau yog siv los ua cov hnab ntim khoom noj thiab ntau lub thawv. Nws yog resistant rau acid, alkali thiab ntsev aqueous daws, tab sis nws tsis haum rau so los yog soaking nrog muaj zog alkaline detergents.

PE tso zaj duab xis muab faib ua high-density, low-density thiab linear PE. Feem ntau siv txhua hnub yog los ua ntau yam yas zaj duab xis thiab cov ntawv yas.

PE yeeb nkab muaj qhov nruab nrab ntom polyethylene yeeb nkab thiab siab ntom polyethylene yeeb nkab. Raws li phab ntsa thickness, nws muab faib ua SDR11 thiab SDR17.6 series. Lub qub yog tsim rau conveying gaseous artificial gas, natural gas thiab liquefied petroleum gas, thaum lub tom kawg yog tsuas yog siv rau conveying natural gas. Piv nrog cov yeeb nkab steel, cov txheej txheem kev tsim kho yog yooj yim, thiab nws muaj qee qhov yooj. Qhov tseem ceeb tshaj, nws tsis yog siv los tiv thaiv corrosion, uas yuav txuag tau ntau cov txheej txheem. Qhov tsis zoo yog tias cov khoom siv tsis zoo li cov yeeb nkab steel. Hauv kev tsim kho, kev saib xyuas tshwj xeeb yog them rau qhov kev nyab xeeb ntawm cov cua kub cua sov, thiab nws tsis tuaj yeem raug tshav ntuj hauv huab cua, thiab nws yog rhiab heev rau cov tshuaj los tiv thaiv cov xau ntawm cov kav dej phwj los ntawm kev puas tsuaj. Lub ntiajteb txawj nqus tshwj xeeb: 0 94-0.96 g/cm3; molding shrinkage: 1.5-3.6 feem pua; molding kub: 140-220degree.