Lefatše - Premier EVA (Ethylene Vinyl Acetate Copolymer): Liindasteri tse Feto-fetohang tsa Polymer tse Feto-fetohang
Masimo a Maholo a Kopo
Indastering ea lieta, EVA ea rona ke thepa e fetolang lintho papaling. E hlalositse bocha mohopolo oa boiketlo le ho tšoarella lieta. Motsoako o ikhethang oa ho tenyetseha le thepa e monyang ea EVA e etsa hore e be e loketseng lieta tsa lieta. Ebang ke lieta tse bobebe le tse thellang tsa lieta tse mathang tse fanang ka maikutlo a arabelang nakong ea boikoetliso kapa lieta tse ka hare tse nang le mosamo tse fanang ka boiketlo ba letsatsi lohle, EVA ea rona e fana ka boiphihlelo bo sa bapisoeng. Bahlahisi ba lieta ba itšetleha ka EVA ea rona ho etsa lihlahisoa tse sa fihlelleng feela empa li feta litebello tsa bareki mabapi le boiketlo le bophelo bo bolelele.
Indasteri ea liphutheloana e boetse e rua molemo o moholo ho EVA ea rona ea Lefatše ka Bophara. E sebelisoa haholo tlhahisong ea thepa ea liphutheloana tse sireletsang. Matla a matle a EVA - ho hanyetsa le ho boloka lintho li le bonolo ho a etsa hore e be e phethahetseng bakeng sa ho sireletsa lintho tse bonolo le tsa bohlokoa nakong ea lipalangoang le polokelo. Ho tloha lisebelisoa tsa elektroniki tse phahameng joalo ka li-smartphone le lilaptop ho isa ho likhalase tse senyehang habonolo le lihlahisoa tsa mabothobotho, liphutheloana tsa rona tse thehiloeng ho EVA li netefatsa hore litaba li fihla moo li eang teng li sa senyeha. Ho feta moo, bokhoni ba eona ba ho bōptjoa ka libopeho le boholo bo fapaneng bo lumella litharollo tsa liphutheloana tse ikhethileng, tse khotsofatsang litlhoko tse ikhethang tsa lihlahisoa tse fapaneng.
Indastering ea likoloi, EVA e bapala karolo ea bohlokoa. E sebelisoa likarolong tsa kahare tse kang likoahelo tsa dashboard, liphanele tsa mamati le mesamo ea litulo. Sebopeho se bonolo sa EVA, thepa ea ho fokotsa lerata, le ho hanyetsa ho tsofala le ho taboha li etsa hore e be khetho e ntle bakeng sa ho ntlafatsa boiketlo le boleng ba phihlelo ea ho khanna. E boetse e kenya letsoho polokehong e akaretsang ea koloi ka ho fana ka tšireletso e monyang tšusumetso haeba ho ka ba le likotsi. Bahlahisi ba likoloi ba tšepa EVA ea rona ho theha tikoloho e monate le e sireletsehileng bakeng sa bapalami.
Indastering ea lipapali le boikhathollo, EVA ea rona ke thepa ea bohlokoa. E sebelisoa tlhahisong ea lisebelisoa tse fapaneng tsa lipapali, ho kenyeletsoa le limmete tsa yoga, liboto tsa ho sesa le lisebelisoa tsa tšireletso. Limmete tsa yoga tse entsoeng ka EVA ea rona li fana ka sebaka se sa thelleng, se netefatsang botsitso nakong ea boikoetliso, ha ka nako e ts'oanang se fana ka motheo o phutholohileng le o boreleli. Liboto tsa ho sesa tse nang le li-core tsa EVA li bobebe, lia phaphamala, 'me lia tšoarella, li ntlafatsa ts'ebetso ea ba sesa. Lisebelisoa tse sireletsang tse kang li-pad tsa lengole le li-pad tsa setsoe tse entsoeng ka EVA li fana ka tšireletso e tšepahalang ea tšusumetso, e fokotsang kotsi ea likotsi nakong ea mesebetsi ea lipapali.
Litlhaloso
| Lebitso la Sehlahisoa | Eva | |||||||||
| Foromo ea Lik'hemik'hale | (C2H4)x(C4H6O2)y | |||||||||
| Ponahalo | Phofo e tšoeu e bonaletsang | |||||||||
| Botenya | 0.91 - 0.96 g/cm³ | |||||||||
| NOMORO EA CAS | 24937 - 78 - 8 | |||||||||
| Khoutu ea HS | 3901.3 | |||||||||
| EINECS NO | 246 - 548 - 1 | |||||||||
| Kopo | E sebelisoa lieta, lifiliming, likhoeleng, linthong tsa ho bapala | |||||||||
Leqephe la Taolo ea Boleng
| Lebitso la Sehlahisoa | Eva | ||||||
| NTHO | BOHLOKOA BO TLWAELEHILENG(%) | BOLEMO BA TEKO(%) | |||||
| Thollo e ntšo, PCS/KG | 0% | 0.00% | |||||
| 'Mala oa lijo-thollo, li-PCS/KG | ≤10 | 0 | |||||
| Litholoana tse kholo le tse nyane, PCS/KG | ≤10 | 0 | |||||
| Tholoana e hulang, PCS/KG | ≤20 | 2.00% | |||||
| Floccule, g/kg | ≤0.02 | 0 | |||||
| VA,%(boima) | 18（+/-）1 | 17.3 | |||||
| Sekhahla sa phallo ea boima ba qhibilihisa, g/10min | 2.8（+/-）0.5 | 3.17 | |||||
| Botenya, (23 ℃) g/m3 | Jwalo ka tlaleho | 0.937 | |||||
| Mocheso o phahameng oa ho qhibiliha, ℃ | Jwalo ka tlaleho | 90 | |||||
Ka kakaretso
EVA ea rona ea Lefatše - Premier e phuthetsoe ka har'a lijana tse sireletsang tsa boleng bo holimo ho thibela tšenyo efe kapa efe nakong ea polokelo le lipalangoang. Sehlopha se seng le se seng se feta litekong tse matla tsa taolo ea boleng, ho kenyeletsoa tlhahlobo ea sebopeho, litekanyo tsa thepa ea 'mele, le liteko tsa ts'ebetso. Ebang u lets'oao la lieta Europe, k'hamphani ea liphutheloana Asia, moetsi oa likoloi Amerika Leboea, kapa moetsi oa lisebelisoa tsa lipapali Australia, EVA ea rona ke tharollo e tšepahalang le e feto-fetohang eo u e hlokang. E fana ka ts'ebetso e ke keng ea bapisoa, e netefatsa hore e fihlela le ho feta litlhoko tsa hau tse ikhethileng tsa indasteri.