1.Kugwira ntchito kwakukulu: Zida zopangira zimagwiritsa ntchito mzere woyambirira wochokera kunja kwa Battenfeld-Cincinnati, Germany. Zopangirazo zimatumizidwa kuchokera ku Borealis ME3440 ndi HE3490LS. Mankhwalawa ali ndi chitetezo chapamwamba.
2.Ubwino wazinthu zokhazikika: Zida zoyesera zopangira ndi zomalizidwa zatha, ndipo zinthuzo zimapangidwa ndikuwunikiridwa motsatira GB15558. 1-2003 muyezo.
3.Kulumikizana kolimba, palibe kutayikira: Makina opangira mapaipi amalumikizidwa ndi zida za chitoliro cha electrofusion, ndipo zolumikizira zimalumikizidwa mwamphamvu ndipo sizingadutse.
4.Utumiki wautali wautali: mankhwalawa ali ndi 2-2.5% ya carbon black yogawidwa mofanana, yomwe imatha kusungidwa kapena kugwiritsidwa ntchito panja panja kwa zaka 50; Zinthu zopanda pake, kukana kwamankhwala abwino, mankhwala omwe ali m'nthaka sangawononge chitoliro chilichonse;
5.Kulimbana ndi kupsinjika kwabwino kwambiri komanso kukana kuvala: Kuli ndi mphamvu zometa ubweya wambiri, kukana kwambiri kukanda komanso kukana kuvala bwino, zomwe zingathe kupeweratu kuwonongeka kwa mapaipi panthawi yomanga.
6.Kukana kwamphamvu pakukhazikika kwa maziko: Kutalikirana kwa chitoliro chamadzi cha HDPE kumaposa 500%, ndipo kumakhala ndi kusinthika kwamphamvu pakukhazikika kwa maziko ndi magwiridwe antchito abwino kwambiri odana ndi zivomezi.
Pali okwana 72 PE gasi chitoliro mankhwala, amene anawagawa mu mitundu iwiri: PE80 ndi PE100. Malinga ndi kuthamanga kovomerezeka kovomerezeka, mankhwalawa amagawidwa m'magulu 4: PN0.5MPa, PN0.3MPa, PN0.7MPa ndi PN0.4MPa. kuchokera ku dn32- dn400 chiwerengero cha 18, chomwe chimagwiritsidwa ntchito kwambiri poyendetsa gasi.
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