Leqephe la Polyethylene e Boima bo Holimo (HDPE/PE300)
Tlhaloso:
Leqephe la Polyethylene PE300 - HDPE ke polasetiki e bobebe le e matla ea boenjiniere e nang le matla a maholo a tshusumetso. E boetse e na le khanyetso e ntle ea lik'hemik'hale e nang le ho monngoa ha mongobo o tlase haholo 'me e amohetsoe ke FDA. HDPE e ka boela ea etsoa le ho tjheselletsoa. Leqephe la Polyethylene PE300.
Likarolo tsa Bohlokoa:
E etselitsoe ho ba e 'ngoe ea polasetiki e feto-fetohang ka ho fetisisa lefatšeng, polyethylene e nang le tekanyo e phahameng e fana ka melemo e mengata e fapaneng. HDPE ea rona e entsoe hore e tšoarelle nako e telele, e se ke ea hlokomeloa haholo, 'me e bolokehe. Thepa ena e amohetsoe ke FDA bakeng sa tšebeliso indastering ea ts'ebetso ea lijo, 'me e fana ka melemo e eketsehileng ea ho ba mongobo, matheba le monko o sa thabiseng.
Ntle le melemo e mengata e thathamisitsoeng kaholimo, HDPE e hanela mafome, ho bolelang hore ha e petsohe, ha e bole, kapa ha e boloke libaktheria tse kotsi. Tšobotsi ena ea bohlokoa, hammoho le ho hanyetsa boemo ba leholimo, e etsa hore HDPE e be e phethahetseng bakeng sa tšebeliso libakeng tse kopanang le metsi, lik'hemik'hale, li-solvent le maro a mang.
HDPE e boetse e tsebahala ka ho ba le karolelano e kholo ea matla le bongata (ho tloha ho 0.96 ho isa ho 0.98 g), leha ho le joalo e ka qhibilihisa habonolo ebile ea bōptjoa. E ka sehoa habonolo, ea etsoa ka mechini, ea etsoa, le ho tjheseletsa le/kapa ea tlangoa ka mechini ho fihlela litlhoko tse lakatsehang tsa lits'ebetso tse ngata.
Qetellong, joalo ka polasetiki tse ngata tse entsoeng ka boenjiniere, HDPE e ka sebelisoa hape habonolo 'me e ka thusa haholo ho fokotsa litšila tsa polasetiki le tlhahiso.
Paramethara ea Tekheniki:
| Ntho | SEPHETHO | YUNITI | PARAMETER | Tloaelo e Sebelisitsoeng |
| Thepa ea mechini | ||||
| Modulus ea elasticity | 1000 | MPa | Ho tsitsipano | DIN EN ISO 527-2 |
| Modulus ea elasticity | 1000 - 1400 | MPa | Ka ho tenyetseha | DIN EN ISO 527-2 |
| Matla a ho tsikinyeha ha a ntse a eketseha | 25 | MPa | 50 mm/motsotso | DIN EN ISO 527-2 |
| Matla a tshusumetso (Charpy) | 140 | Kj/m 2 | Boholo. 7,5j | |
| Notched Impact stren. (Charpy) | Ha ho khefu | Kj/m 2 | Boholo. 7,5j | |
| Ho thatafala ha ho kenella ha bolo | 50 | MPa | ISO 2039-1 | |
| Matla a ho phatloha ha mokoloko | 12,50 | MPa | Kamora lihora tse 1000 mojaro o sa fetoheng o nka 1% nako e telele. Kamora lihora tse 1000 Khahlanong le tšepe p=0,05 N/mm 2 | |
| Moeli oa chai ea nako | 3 | MPa | ||
| Khokahano ea khohlano | 0,29 | ------- | ||
| Thepa ea mocheso | ||||
| Mocheso oa phetoho ea khalase | -95 | °C | DIN 53765 | |
| Ntlha ea ho qhibiliha ha kristale | 130 | °C | DIN 53765 | |
| Mocheso oa tšebeletso | 90 | °C | Nako e khutšoane | |
| Mocheso oa tšebeletso | 80 | °C | Nako e telele | |
| Katoloso ea mocheso | 13 - 15 | 10-5K-1 | DIN 53483 | |
| Mocheso o itseng | 1,70 - 2,00 | J/(g+K) | ISO 22007-4:2008 | |
| Ho khanna ha mocheso | 0,35 - 0,43 | Bophahamo/(K+m) | ISO 22007-4:2008 | |
| Mocheso o sothehileng oa mocheso | 42 - 49 | °C | Mokhoa oa A | R75 |
| Mocheso o sothehileng oa mocheso | 70 - 85 | °C | Mokhoa oa B | R75 |
Boholo ba lakane:
Ho Beyond Plastics, HDPE e fumaneha ka boholo, dibopeho, botenya le mebala e fapaneng. Re boetse re fana ka ditshebeletso tsa ho seha tsa CNC ho o thusa ho eketsa chai ya hao le ho fokotsa ditjeo tsa hao ka kakaretso.
Kopo:
Ka lebaka la ho feto-fetoha ha polyethylene e nang le bongata bo boholo, bahlahisi ba bangata ba atisa ho nkela thepa ea bona ea khale e boima sebaka ka HDPE. Sehlahisoa sena se sebelisoa liindastering tse ngata ho kenyeletsoa le ho lokisa lijo, likoloi, likepe, boikhathollo le tse ling!
Matlotlo a HDPE a etsa hore e be khetho e ntle bakeng sa lits'ebetso tsa kahare le kantle, ho kenyeletsoa:
Mehala ea Libotlolo le Mekhoa ea ho Fetisa
Liboto tsa ho Seha
Thepa ea Kantle
Methapo le Likarolo tsa ho Tšoara Lintho
Matšoao, Lisebelisoa le Lipontšo
Har'a lintho tse ling, HDPE e boetse e sebelisoa ka libotlolong, lipoleiting tsa ho raha, litanka tsa mafura, lilokha, lisebelisoa tsa lebala la lipapali, liphutheloana, litanka tsa metsi, lisebelisoa tsa ho sebetsana le lijo, liphahlo tsa chute, le ka hare ho sekepe, RV, le likoloi tsa maemo a tšohanyetso.
Re ka fana ka lakane e fapaneng ea UHMWPE/HDPE /PP /PA /POM/ ho latela litlhoko tse fapaneng ts'ebelisong e fapaneng.
Re labalabela ketelo ea hau.








