Tag: Polyethylene Resin

Polyethylene hmoov yog cov khoom siv hluavtaws tseem ceeb heev, uas yog cov khoom siv hluavtaws hluavtaws los ntawm ethylene monomer thiab dav siv hauv kev tsim cov khoom yas, fibers, ntim, kav, xaim, cables thiab lwm yam. Nrog rau kev nthuav qhia txuas ntxiv ntawm cov ntaub ntawv tshiab thiab cov thev naus laus zis tshiab, daim ntawv thov ntawm polyethylene hmoov kuj nthuav dav. Txoj kev loj hlob yav tom ntej yuav muaj raws li hauv qab no: 1. Kev tiv thaiv ntsuab thiab ib puag ncig: Nrog kev paub txog kev tiv thaiv ib puag ncig, kev loj hlob ntawm ntsuab thiab ib puag ncig.Nyeem ntxiv…

Taw qhia ntawm HS code ntawm polyethylene hmoov txheej HS CODE yog cov ntawv luv ntawm "Harmonized Commodity Description and Coding System". Lub Harmonization System Code (HS-Code) yog tsim los ntawm International Customs Council thiab lub npe Askiv yog Harmonization System Code (HS-Code). Cov ntsiab lus tseem ceeb ntawm kev lis kev cai thiab cov khoom nkag thiab tawm cov koom haum tswj hwm ntawm ntau lub teb chaws kom paub meej cov khoom lag luam, tswj xyuas cov khoom lag luam, tshuaj xyuas cov qauv tariff, thiab tshuaj xyuas cov khoom lag luam zoo yog cov ntawv pov thawj zoo rau kev ntshuam.Nyeem ntxiv…

CN naj npawb ntawm polyethylene hmoov: 3901 Polymers ntawm ethylene, nyob rau hauv thawj cov ntaub ntawv: 3901.10 Polyethylene muaj ib tug tshwj xeeb gravity ntawm tsawg tshaj li 0,94: -3901.10.10 Linear polyethylene — 3901.10.90 Lwm yam 3901.20 Polyethylene muaj ib tug tshwj xeeb, polyethylene. los yog ntau tshaj: —-0,94 Polyethylene nyob rau hauv ib qho ntawm cov ntaub ntawv hais nyob rau hauv daim ntawv 3901.20.10(b) rau tshooj no, ntawm ib tug tshwj xeeb gravity ntawm 6 los yog ntau tshaj ntawm 0,958 ° C, muaj: 23 mg / kg los yog tsawg dua ntawm txhuas, 50 mg / kg lossis tsawg dua calcium, 2 mg / kg lossisNyeem ntxiv…

Polyethylene Paint, tseem hu ua yas coatings, yog coatings siv rau cov ntaub ntawv yas. Nyob rau hauv xyoo tas los no, cov txheej txheem yas tau siv dav hauv xov tooj ntawm tes, TV, khoos phis tawj, tsheb, maus taus accessories thiab lwm yam kev lag luam, xws li tsheb sab nrauv thiab sab hauv. Cheebtsam, cov txheej txheem yas kuj tau siv dav hauv kev ua kis las thiab cov khoom siv ua si, ntim khoom kom zoo nkauj, thiab cov khoom ua si. Thermoplastic acrylate resin coatings, thermosetting acrylate-polyurethane resin hloov kho coatings, chlorinated polyolefin hloov txheej, hloov polyurethane txheej thiab lwm yam, ntawm cov acrylic coatingsNyeem ntxiv…

High density polyethylene (HDPE), hmoov dawb los yog granular khoom. Non-toxic, tasteless, crystallinity ntawm 80% mus rau 90%, softening point ntawm 125 mus rau 135 ° C, siv kub txog li 100 ° C; hardness, tensile zog thiab ductility yog zoo dua li tsawg ntom polyethylene; hnav tsis kam, hluav taws xob zoo rwb thaiv tsev, toughness thiab txias tsis kam; zoo tshuaj stability, insoluble nyob rau hauv tej organic hnyav ntawm chav tsev kub, corrosion kuj ntawm acid, alkali thiab ntau yam ntsev; nyias zaj duab xis permeability rau dej vapor thiab huab cua, dej nqus tsawg; tsis zoo aging kuj,Nyeem ntxiv…

Cov txheej txheem ntau lawm ntawm polyethylene tuaj yeem muab faib ua: Txoj kev siab siab, txoj kev siab siab yog siv los tsim cov polyethylene tsawg. Medium pressure Tsawg siab txoj kev. Raws li txoj kev tsis tshua muaj kev txhawj xeeb, muaj cov txheej txheem slurry, txoj kev daws teeb meem thiab cov txheej txheem roj. Txoj kev kub siab yog siv los tsim cov polyethylene tsawg ntom ntom. Txoj kev no tau tsim thaum ntxov. Cov polyethylene tsim los ntawm txoj kev no suav txog li 2/3 ntawm tag nrho cov zis ntawm polyethylene, tab sis nrogNyeem ntxiv…

Hloov Polyethylene yog dab tsi? Kev hloov kho ntau yam ntawm polyethylene feem ntau suav nrog chlorinated polyethylene, chlorosulfonated polyethylene, cross-linked polyethylene thiab cov khoom sib xyaw ua ke. Chlorinated Polyethylene: Ib qho chloride random tau los ntawm kev hloov cov hydrogen atoms hauv polyethylene nrog chlorine. Chlorination yog nqa tawm raws li qhov pib ntawm lub teeb lossis peroxide, thiab feem ntau yog tsim los ntawm aqueous suspension method hauv kev lag luam. Vim qhov sib txawv ntawm qhov hnyav ntawm molecular thiab kev faib tawm, kev kawm qib siab, chlorination degree tom qab chlorination, chlorine atom faib thiab residual crystallinity ntawmNyeem ntxiv…

Lub cev thiab tshuaj lom neeg ntawm Polyethylene Resin Chemical Properties Polyethylene muaj cov tshuaj lom neeg ruaj khov thiab tiv taus dilute nitric acid, dilute sulfuric acid thiab cov concentration ntawm hydrochloric acid, hydrofluoric acid, phosphoric acid, formic acid, acetic acid, ammonia dej, amines, hydrogen. peroxide, sodium hydroxide, potassium hydroxide, thiab lwm yam tshuaj. Tab sis nws tsis muaj zog oxidative corrosion, xws li fuming sulfuric acid, concentrated nitric acid, chromic acid thiab sulfuric acid sib tov. Nyob rau hauv chav tsev kub, cov kuab tshuaj tau hais los saum toj no yuav maj mamNyeem ntxiv…

Noobral Cov khoom ntawm Polyethylene Resin Polyethylene resin yog cov tsis muaj tshuaj lom, tsis muaj ntxhiab tsw dawb hmoov los yog granule, milky dawb nyob rau hauv tsos, nrog ib tug zoo li wax, thiab tsis tshua muaj dej nqus, tsawg dua 0.01%. Cov yeeb yaj kiab polyethylene yog pob tshab thiab txo qis nrog kev nce crystallinity. Cov yeeb yaj kiab polyethylene muaj cov dej tsis tshua muaj permeability tab sis huab cua permeability siab, uas tsis haum rau kev ntim khoom tshiab tab sis tsim nyog rau cov khoom ntim dej noo. Nws yog flammable, nrog cov pa ntsuas ntawm 17.4, cov pa luam yeeb tsawg thaum hlawv, me me ntawmNyeem ntxiv…

Kev faib tawm ntawm polyethylene Polyethylene muab faib ua high density polyethylene (HDPE), low density polyethylene (LDPE) thiab linear low density polyethylene (LLDPE) raws li txoj kev polymerization, molecular hnyav thiab saw qauv. LDPE Khoom: saj tsis qab, tsis muaj ntxhiab, tsis muaj tshuaj lom, npub nto, mis nyuj dawb ciab hais, ntom txog 0.920 g / cm3, melting point 130 ℃ ~ 145 ℃. Insoluble nyob rau hauv dej, me ntsis soluble nyob rau hauv hydrocarbons, thiab lwm yam. Nws muaj peev xwm tiv taus qhov yaig ntawm feem ntau cov acids thiab alkalis, muaj dej nqus dej tsawg, tseem tuaj yeem tswj tau yooj yim ntawm qhov kub thiab txias, thiab muajNyeem ntxiv…

Kev Taw Qhia luv luv ntawm Polyethylene Resin Polyethylene (PE) yog cov thermoplastic resin tau los ntawm polymerizing ethylene. Hauv kev lag luam, copolymers ntawm ethylene nrog me me ntawm alpha-olefins kuj suav nrog. Polyethylene resin tsis muaj ntxhiab tsw, tsis muaj tshuaj lom, zoo li siv quav ciab, muaj qhov kub thiab txias tsis kam (tsawg kawg ua haujlwm kub tuaj yeem ncav cuag -100 ~ -70 ° C), tshuaj lom neeg ruaj khov, thiab tuaj yeem tiv taus cov kua qaub thiab alkali feem ntau (tsis tiv taus oxidation. ntuj acid). Nws yog insoluble nyob rau hauv ntau cov kuab tshuaj nyob rau hauv chav tsev kub, nrog tsawg dej nqus thiab zoo heev hluav taws xobNyeem ntxiv…