Dab tsi yog cross txuas polyethylene?

Cov txheej txheem:

Dab tsi yog cross txuas polyethylene?
Dab tsi yog cross txuas polyethylene?
Anonim

Cross-linked polyethylene, feem ntau abbreviated PEX, XPE lossis XLPE, yog ib daim ntawv ntawm polyethylene nrog cross-links. Nws yog siv feem ntau nyob rau hauv lub tsev cov kev pab cuam pipework systems, hydronic radiant cua sov thiab txias systems, domestic dej piping, thiab rwb thaiv tsev rau high tension hluav taws xob cables.

Qhov txawv ntawm polyethylene thiab cross txuas polyethylene yog dab tsi?

Cross-linked polyethylene yog polyethylene high-density polyethylene uas yog tsim los ntawm kev ntxiv cov catalyst rau thermoplastic resin, uas hloov nws mus rau hauv ib lub thermoset. … Qhov tshwm sim yog cov yas uas muaj cuam tshuam tsis kam, lub zog tensile thiab tsis kam rau tawg uas linear polyethylene tsis tuaj yeem sib phim.

Puas polyethylene tuaj yeem txuas tau?

Cross-linked polyethylene (XLPE) yog cov thermosetting resin nrog peb hom kev sib txuas: peroxide cross-linking, hluav taws xob sib txuas, thiab silane cross-linking. Cov polymer tuaj yeem siv tau zoo dua yog tias tsuas yog cov ntsiab lus sib txuas sib txuas yog decomposed.

Puas XLPE yog yas?

Txawm hais tias lawv suab yuav luag zoo ib yam, linear polyethylene thiab cross-linked polyethylene (XLPE) chemical storage tanks muaj qhov sib txawv loj. … Qhov tshwm sim yogyas uas muaj qhov cuam tshuam tsis zoo, lub zog tensile, thiab tiv thaiv kom tawg uas cov kab polyethylene tsis tuaj yeem sib phim.

Qhov txawv ntawm HDPE thiab XLPE yog dab tsi?

HDPE (High DensityPolyethylene) muaj tsawg kawg nkaus branching ntawm nws 'polymer chains. Vim nws yog denser nws yog nruj thiab tsawg permeable ces tus LDPE. … XLPE (Crosslinked Polyethylene) yog polyethylene density siab uas muaj covalent bonds ntawm kev sib txuas nws cov saw hlau polymer.

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Qhov kev cia siab tuaj ntawm qhov twg?
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Qhov kev cia siab tuaj ntawm qhov twg?

Portentous thawj zaug pib hauv 1540s thiab tau muab los ntawm Latin lo lus portentosus. Lub hauv paus ntawm lo lus yog portent, uas yog ib tug synonym rau ib tug kos npe rau los yog ib tug omen. Thaum nws tau tsim thawj zaug, qhov tseem ceeb yog siv los siv rau omens.

Mannequin txhais li cas?
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Mannequin txhais li cas?

Mannequin hais txog cov menyuam roj hmab uas feem ntau siv los ntawm cov kws ua yeeb yam, cov kws tu plaub hau, cov kws tsim khaub ncaws, cov khaub ncaws qhov rai thiab lwm yam tshwj xeeb tshaj yog los tso saib lossis hnav khaub ncaws. Yav dhau los, lo lus Askiv raug xa mus rau tib neeg cov qauv thiab muses;

Sharn poob ntau npaum li cas?
Nyeem ntxiv

Sharn poob ntau npaum li cas?

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