I-NBR vs i-FKM Irabha kwi-Rubber egqunywe ngezinto zetsimbi: Uhlalutyo lokuthelekisa

Ukutywinwa ngumba obalulekileyo kumashishini ahlukeneyo, ukuqinisekisa ukuba ulwelo kunye neegesi zihlala zigcinwe kwaye iinkqubo zisebenza ngokufanelekileyo.Izinto ezimbini ezithandwayo zerabha ezisetyenziswe kwiphepha lesinyithi eligqunywe ngerabha yi-NBR (i-Nitrile Butadiene Rubber) kunye ne-FKM (iRubha ye-Fluorocarbon).Ngelixa zombini zibonelela ngeempawu ezibalaseleyo zokutywina, zineempawu ezahlukileyo ezenza ukuba zilungele izicelo ezahlukeneyo.Kweli nqaku, siza kuphonononga ukufana kunye nomahluko phakathi kwe-NBR kunye ne-FKM irabha kumxholo weepleyiti ezifakwe i-sealant.

I-NBR kunye ne-FKM zabelana ngeempawu ezifanayo ezibenza baxabiseke ekutywineni izicelo:

Ukumelana nemichiza: Zombini iirabha zibonisa ukuxhathisa okubalaseleyo kuluhlu olubanzi lweekhemikhali, ioyile, kunye nezinyibilikisi.Olu phawu lubalulekile ekuqinisekiseni ukuba iipleyiti ezigqunyiweyo ziyakwazi ukumelana namajelo eendaba anobundlobongela anokuqubisana nazo.

Ukumelana nobushushu: Iirubha ze-NBR kunye ne-FKM zinokusebenza ngaphakathi koluhlu olubanzi lobushushu, nto leyo ezenza zisebenziseke kwiimeko ezahlukeneyo zokusingqongileyo.Ziyakwazi ukumelana namaqondo obushushu aphantsi naphezulu, ukuqinisekisa ukusebenza okuthembekileyo kokutywinwa.

Ngaphandle kokufana kwazo, i-NBR kunye ne-FKM irabha zineempawu ezahlukileyo ezibenza bafanelekele iimeko ezahlukeneyo:

Irabha ye-NBR:

Ukumelana ne-oyile: I-NBR idume ngokuxhathisa kwayo kwi-oyile, ngakumbi ngokuchasene ne-oyile yeminerali kunye ne-oyile yamafutha.Oku kwenza kube lukhetho olufanelekileyo kwizicelo apho kulindeleke ukuba ukudibana nolu hlobo lweeoli.

Ukumelana noBubushushu: Ngelixa i-NBR ibonelela ngamandla okumelana nobushushu, inokwehla ekuhambeni kwexesha xa ibekwe kumaqondo obushushu aphezulu.Ngoko ke, ifaneleke ngakumbi kwizicelo ezineemfuno zobushushu obuphakathi.

Ukusebenza kweendleko: I-NBR ixabisa kancinci kune-FKM, iyenza ibe lukhetho oludumileyo kwiiprojekthi ezingakhathaliyo ngexa isasebenza ngendlela eyanelisayo.

Ukumelana nokuguga: Ukuxhathisa ukwaluphala kwe-NBR kumbi kakhulu xa kuthelekiswa ne-FKM, ngakumbi kwindawo eshushu kunye ne-oxidative, enokunciphisa ixesha elide kwizicelo ezithile.

Irabha ye-FKM:

Ukumelana neMichiza: Irabha ye-FKM ibonelela ngokuxhathisa okukhethekileyo kwiiasidi ezomeleleyo, iziseko, kunye ne-oxidizers, iyenza ibe lolona khetho lukhethiweyo kwizicelo ezibandakanya iikhemikhali ezinobundlobongela.

Ukuxhathisa ubushushu: I-FKM iyagqwesa kwindawo ezinobushushu obuphezulu, igcina ingqibelelo yayo kunye neempawu zokutywina nakumaqondo obushushu aphezulu, ukuya kuthi ga kwi-150 degrees Celsius.

Ukuchasana nokuguga: I-FKM ibonisa ukuxhathisa ukwaluphala, iqinisekisa ukuqina kwexesha elide kunye nokuthembeka kwiimeko ezinzima.

Iindleko: I-FKM ibiza kakhulu kune-NBR, kodwa ukusebenza kwayo okuphezulu kuthethelela ukusetyenziswa kwayo kwizicelo ezibalulekileyo nezifunayo.

Ukukhetha iMathiriyeli eLungileyo kwiipleyiti eziQhutywe ngeSealant:

Xa ukhetha phakathi kwe-NBR kunye ne-FKM yeepleyiti ezitywiniweyo, ezi zinto zilandelayo kufuneka ziqwalaselwe:

Qinisekisa uhlobo lolwelo okanye igesi i-sealant eya kudibana nayo.I-NBR ifanelekile kwii-oyile zeminerali, ngelixa i-FKM ikhethwa kwiikhemikhali ezinobundlobongela.

Iimfuno zobushushu: Vavanya iimeko zobushushu besicelo.I-FKM ifaneleke ngakumbi kwiindawo ezinobushushu obuphezulu, ngelixa i-NBR ingcono kumaqondo obushushu aphakathi.

Ukuqwalaselwa kweendleko: Vavanya uhlahlo lwabiwo-mali lweprojekthi.I-NBR ibonelela ngesisombululo esineendleko eziphezulu ngaphandle kokuthomalalisa ukusebenza, ngelixa i-FKM ibonelela ngomsebenzi ogqwesileyo ngexabiso eliphezulu.

I-NBR kunye neerubha ze-FKM zombini zinendawo yazo kwihlabathi lephepha lesinyithi eligqunywe ngerabha.Ukuqonda ukufana kunye nokungafani kwabo kuvumela iinjineli kunye nabaqulunqi ukuba benze izigqibo ezinolwazi ngokusekelwe kwiimfuno ezithile zezicelo zabo.Ngokuqwalasela izinto ezifana nohlobo lweendaba, ubushushu, kunye neendleko, izinto zerabha ezifanelekileyo zinokukhethwa ukuze kuqinisekiswe ukutywinwa okuthembekileyo kunye nokusebenza ngokufanelekileyo kumashishini ahlukeneyo.