5 zvakajairika epurasitiki zvigadzirwa zvewaya netambo

Kunyangwe mhando dzewayauyecableakasiyana, asi mazhinji echimiro chezvigadzirwa zvakafanana, izvo mbishi zvinoshandiswa zvakangofanana, zvakajairwa mbishi zvinhu zvinosanganisira conductive zvinhu, zvekudzivirira, zvekudzivirira, zvidziviriro, zvekuzadza, nezvimwe, uye zvinoenderana nekusiyana kwavo. zvivakwa zvinogona kukamurwa kuita zvikamu zviviri, simbi mbishi zvinhu, zvakaita semhangura aluminium, aruminiyamu alloy, uye epurasitiki mbishi zvinhu. Yakajairwa PVC, PE, PP, nezvimwewo, inoteverwa ndiwo marudzi mashanu epurasitiki mbishi zviwanikwa zvinowanzoshandiswawayauyecable.

1. PVC, itis ndiyo inonyanya kushandiswa epurasitiki mbishi zvinhu muwaya uye tambo, PVC inowanzo shandiswa kune waya uye tambo yekuvharira uye inodzivirira zvinhu, izvi zvinodaro nekuti PVC ine zvakawanda zvakanaka zvinodzivirira zvivakwa zvinogona kuva chengetedzo yakanaka yewaya netambo yemukati, sePVC haisi nyore kupisa, kuchembera kuramba, mafuta kuramba, kemikari corrosion resistance, kukanganisa kupikisa, Aya maitiro anoita kuti ive yakanaka yekuzviparadzanisa nevamwe uye kudzivirira, saka izvo zvakajairika zvekudzivirira zvewaya uye tambo zvakanyanya PVC. zvinhu.

2. ON(Polyethylene), chimiro chayo chemuviri chichena chinopenya chewakisi chimiro, chine kuchinjika kwakanakisa, chinogona kutambanudzwa kune imwe urefu, chakareruka kupfuura mvura, chisina chepfu, asi chichienzaniswa nePVC, polyethylene ine hunhu hwekupisa nyore. Kunyange kana ikasiya moto, icharamba ichipisa nyika, polyethylene inewo akawanda akawedzerwa marudzi, anosanganisira LDPE, MDPE, HDPE, LDPE ndeimwe yepasi-density, inozivikanwa seyakaderera-pressure polyethylene, ine yakanaka kwazvo kuchinjika. MDPE ndeyepakati density polyethylene, inozivikanwa seyepakati pressure polyethylene, kuita uye yakakwirira density polyethylene zvakangofanana. HDPE inozivikanwawo seyakanyanya kudzvanywa polyethylene, kuita kwayo kuzere kwakakwira zvakanyanya, kunyanya kupisa kupisa uye simba remuchina zvese zvakagadziridzwa. Polyethylene ine yakanakisa magetsi ekudzivirira zvivakwa uye inoshandiswa zvakanyanya mukudzivirira kwetambo dzekutaura.

3. EVA(ethylene - vinyl acetate copolymer), irabha-yakaita thermoplastic, kuita kwayo uye vinyl acetate (VA) zvirimo zvine hukama hukuru, iyo diki yeVA yemukati yakafanana nepolyethylene, iyo yakakwira inofanana nehunhu hwerabha, EVA ine elasticity yakanaka uye kushoma tembiricha kuramba, kemikari. resistance. Ichiri yakasanganiswa neLDPE, Inogona kuvandudza dambudziko rekuti LDPE iri nyore kutsemuka, uye kuramba kwemhedzisiro, kupfava uye kuomarara, uye kunamatira pakati pe conductor uye insulation inogona kunyatso kurongeka nekusimbiswa.

4. PP(Polypropylene), ndiyo inotora chikamu chidiki pakati pemapurasitiki anowanzo shandiswa, simba remuchina, kushomeka kwekushisa, kuramba kuchembera kwakakwira zvakanyanya, pamwe nekupwanya kwesimba, kunyura kwemvura kuderera, zvinhu zvePP zvinogona kugona chinzvimbo chepamusoro. frequency insulation zvinhu.

5. Polyester, rudzi urwu rwezvinhu runoratidzwa nekukwira kwemisodzi kuramba, kupfeka kwakanyanya, kukwirira kwakadzika uye kuderera kuderera, muganho wepamusoro wetembiricha inoshanda inogona kusvika1500 madhigirii Celsius, iyo yakawanda kupfuura mamwe thermoplastic rabha, asi zvakare ine yakanakisa kupikisa mafuta, solvent resistance maitiro.

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