Njengoba izidingo zokuphepha emlilweni ziqhubeka nokukhuphuka kuzo zonke izinhlelo zokuhamba ngesitimela, izikhungo zedatha, izakhiwo eziphakeme, izibhedlela, kanye namaphrojekthi wamandla avuselelekayo, izintambo ze-Low Smoke Zero Halogen (LSZH) seziba ukukhetha okuthandwayo kwezicelo eziningi ezibalulekile. Kwabakhiqizi bezintambo, i-LSZH ingaphezu nje kwesigaba somkhiqizo—imelela indlela yobuchwepheshe bezinto ezihlukile ngokuphelele uma kuqhathaniswa nezinhlanganisela zendabuko ze-PVC.
Kuyini Izinto ze-LSZH?
I-LSZH (I-Low Smoke Zero Halogen), eyaziwa nangokuthi i-Low Smoke Halogen Free (LSHF), ibhekisela ekilasini lezinto ezivimbela ilangabi ezinobungani nemvelo ezisetshenziselwa ukuvikela izintambo kanye nokubopha. Embonini yezintambo, lezi zinto zivame ukuhlukaniswa njengezinhlanganisela ze-HFFR (Halogen Free Flame Retardant).
Ama-compound e-LSZH ngokuvamile asekelwe kuma-resin e-polyolefin afana ne-polyethylene (PE) kanye ne-ethylene-vinyl acetate (EVA). Akhiwe ngama-halogen-free flame retardants, okuhlanganisa i-aluminium hydroxide (ATH) kanye ne-magnesium hydroxide (MDH), kanye nama-antioxidants, izinto zokugcoba, kanye nezinsiza zokucubungula. Ngokungafani nama-PVC compounds, izinto ze-LSZH aziqukethe i-chlorine, i-bromine, noma ezinye izakhi ze-halogen.
Uma kuqhathaniswa nama-compounds ekhebula le-PVC avamile, izinto ze-LSZH zingagcina ukuvikela okuhle kukagesi kanye nezakhiwo zemishini ngenkathi zinciphisa kakhulu ukukhiqizwa kwentuthu kanye nokukhishwa kwegesi egqwalisayo ngesikhathi sokusha. Ngenxa yalokho, zisetshenziswa kabanzi ekusetshenzisweni kwekhebula lapho ukuphepha komlilo kuyinto ebalulekile.
Uyini Umehluko Phakathi kwe-LSZH ne-PVC?
I-Polyvinyl chloride (PVC) isalokhu ingenye yezinto zekhebula ezisetshenziswa kakhulu ngenxa yobuchwepheshe bayo bokucubungula obuvuthiwe, ukusebenza kahle kwezindleko, kanye nokusebenza okulinganiselayo. Ivame ukusetshenziswa ekwakheni izintambo, izintambo zikagesi, kanye nezinhlelo zokusebenza zekhebula zezimboni.
Izinto ze-LSZH, ngokuphambene, zisekelwe ezinhlelweni ze-polyolefin futhi zithola ukuncipha komlilo ngokusebenzisa izinto ezivimbela umlilo ezingaphili kunezithasiselo eziqukethe i-halogen. Umehluko obaluleke kakhulu phakathi kwalezi zinto ezimbili ubonakala ngesikhathi somlilo.
I-PVC ingakhipha intuthu eningi kanye namagesi aqothulayo aqukethe i-chlorine uma ishiswa. Izinto ze-LSZH, ngakolunye uhlangothi, zikhiqiza intuthu encane kakhulu futhi azikhiphi intuthu eningi yamagesi e-halogen acid. Lokhu kusiza ukugcina ukubonakala ngesikhathi sokususwa futhi kunciphisa umonakalo emishinini kagesi neye-elekthronikhi.
Ngaphezu kwalokho, izinto ze-LSZH zihambisana kangcono nezidingo zokuphepha nezemvelo zamaphrojekthi engqalasizinda yesimanje, okuhlanganisa izinhlelo zokuhamba ngesitimela, izikhungo zedatha, izikhumulo zezindiza, izibhedlela kanye nezakhiwo zomphakathi. I-PVC isanikeza izinzuzo ngokwezindleko nokusebenza kahle kokucubungula, okwenza ifaneleke ezinhlelweni eziningi ezivamile.
Kusukela embonweni wokumelana nokushisa, ama-compound e-LSZH angakhiwa ukuze ahlangabezane nezilinganiso zokushisa ezingu-70°C, 90°C, 105°C, nangaphezulu, kuye ngezidingo zohlelo lokusebenza. Ama-compound e-PVC endabuko avame ukusetshenziswa emikhiqizweni yekhebula elinganiselwe ku-70°C noma ku-90°C. Ngenxa yalokho, izinto ze-LSZH ziyathandwa kakhulu ezisetshenziswayo ezidinga ukuphepha okuthuthukisiwe kanye nokusebenza kwezinga lokushisa eliphakeme.
Yimaphi amazinga okufanele izinto ze-LSZH zihlangabezane nawo?
Izinto ze-LSZH zangempela kumele zihambisane nezindinganiso zemboni eziqashelwayo kanye nezimfuneko zokuhlola.
Ngokusebenza okungenazo i-halogen, i-IEC 60754-1 kanye ne-IEC 60754-2 zivame ukubhekiselwa ekuhloleni inani lamagesi e-halogen acid akhishwa ngesikhathi sokusha, kanye ne-acidity kanye nokuqhuba kwegesi yokusha. I-IEC 60754-2 icacisa ukuthi inani le-pH lamagesi okusha akufanele libe ngaphansi kuka-4.3 futhi ukuqhuba kwegesi akufanele kudlule u-10 μS/mm.
Ukuze kusebenze kahle intuthu encane, uchungechunge lwe-IEC 61034 lulinganisa ukuminyana kwentuthu ngokuhlola ukuhanjiswa kokukhanya.
Ngaphezu kwalokho, ukusebenza okuvimbela umlilo kuvame ukuhlolwa ngokuya ngezindinganiso ze-IEC 60332 kanye ne-GB/T 18380, kuyilapho i-GB/T 19666 icacisa izidingo zezintambo ezivimbela umlilo kanye nezingamelani nomlilo.
Ezimakethe zokuthumela kwamanye amazwe kanye namaphrojekthi aphesheya, izinto zekhebula zivame ukudingeka ukuze kuhambisane nemithethonqubo yezemvelo efana ne-RoHS kanye ne-REACH.
Kungani Amaphrojekthi Amaningi Ekhetha Amakhebula e-LSZH?
Ukwanda kokwamukelwa kwezintambo ze-LSZH kubangelwa ukwanda kwezidingo zokuphepha emlilweni, ukuvikelwa kwemvelo, kanye nokuvikelwa kwempahla.
Izinzuzo ezibalulekile zifaka:
Yehlisa ukukhiqizwa kwentuthu ngesikhathi semicimbi yomlilo, okuthuthukisa ukubonakala kokuphuma kwabantu kanye nokusabela eziphuthumayo.
Ukunciphisa ukukhishwa kwamagesi agqwalisayo, okusiza ekuvikeleni izinhlelo zokuxhumana, ingqalasizinda yamandla, imishini yesikhungo sedatha, kanye nezinye izinto zobuchwepheshe ezibucayi.
Ukuthobela imithethonqubo yezemvelo eqinile kanye nezincazelo zephrojekthi.
Ukufaneleka kwezinhlelo zokusebenza zokuphepha okuphezulu njengezokuthutha ngesitimela, izikhungo zedatha, izikhumulo zezindiza, izibhedlela, izinhlelo ze-photovoltaic, izimoto zikagesi, kanye nezindawo ezinkulu zomphakathi.
Ngesikhathi esifanayo, intuthuko eqhubekayo kwezobuchwepheshe bezinto ezibonakalayo ithuthukise kakhulu izakhiwo zemishini, ukusebenza kokushisa, izici zokucubungula, kanye nokuthembeka kwesikhathi eside kwezakhi zokufakelwa zesimanje ze-LSZH kanye ne-sheathing, okwandisa kakhulu ububanzi bazo bezicelo.
Izixazululo Zezinto Zekhebula Ze-LSZH ZOMHLABA ONE
Njengomkhiqizi wezinto zekhebula ochwepheshe,IZWE ELILODWAIgxile ocwaningweni, ekuthuthukisweni, ekukhiqizweni, kanye nasekusekelweni kobuchwepheshe kwezinto zekhebula. Iphothifoliyo yethu yomkhiqizo ifaka phakathi ama-LSZH Sheathing Compounds, ama-LSZH Insulation Compounds, ama-HFFR Compounds, ama-Cross-Linked Polyolefin (XLPO) Compounds, kanye nama-PVC Cable Compounds.
Lezi zinto zisetshenziswa kabanzi ezintanjeni zikagesi, ezintanjeni zokuxhumana, ezintanjeni zesitimela, ezintanjeni zesikhungo sedatha, ezintanjeni ze-photovoltaic, ezintanjeni zezimoto zikagesi, nakwezinye izinhlelo zokusebenza zezintambo ezikhethekile.
Ngokwenza ngcono ukusebenza kwezinto ezibonakalayo kanye nezici zokucubungula, i-ONE WORLD izibophezele ekuhlinzekeni abakhiqizi bekhebula ngezixazululo zezinto ezibonakalayo ezinokwethenjelwa, kanye nokusekelwa kobuchwepheshe okuhlanganisa ukukhethwa kwezinto ezibonakalayo, ukuhlolwa kwesampula, kanye nokuqaliswa kokukhiqiza ngobuningi.
Isiphetho
Njengoba izidingo zokuphepha ziqhubeka nokwanda kuzo zonke izithuthi zikaloliwe, izikhungo zedatha, amandla avuselelekayo, izinhlelo zokugcina amandla, kanye namaphrojekthi engqalasizinda yomphakathi, izinto ze-LSZH seziba ngenye yezinkomba ezibalulekile zentuthuko embonini yezintambo.
Uma kuqhathaniswa nama-compound e-PVC endabuko, izinto ze-LSZH zinikeza izinzuzo ezibalulekile maqondana nokukhishwa kwentuthu okuphansi, ukusebenza okungena-halogen, ukuthobela imvelo, kanye nokuvikelwa kwemishini. Ngenxa yalokho, ziya ngokuya ziba ukukhetha okuthandwayo kwezicelo zekhebula eziphephile kakhulu.
Njengoba amazinga omkhakha eshintshashintshayo kanye nesidingo semakethe esikhulayo, ukwamukelwa kwezinto zekhebula ze-LSZH kulindeleke ukuthi kuqhubeke nokukhula. I-ONE WORLD izohlala izibophezele ekuthuthukiseni nasekukhiqizweni kwezinto zekhebula ezisebenza kahle, inikeze izixazululo zezinto ezithembekile kanye nokusekelwa kobuchwepheshe obuchwepheshile kubakhiqizi bekhebula emhlabeni jikelele.
Isikhathi sokuthunyelwe: Juni-25-2026