Umphumeleli Wokubhala Wesithuthi Se-EPDM Eshaya: Isimboniso Somndeni Okungahluke

Zonke Izigaba

umthwalo wokulayisha okusebenzisa ku-ethylene propylene diene monomer rubber

Umyeza wokubuyela wesayinti lwe-Ethylene propylene diene monomer (EPDM) yilimi lemkhombizi elizenzakalelayo olunikezwe ngokupheleleyo ukuba kuhambisane nge-adhesion phakathi komateriali wesayinti lesi-EPDM neemoldi ngokugcinwa okulandelayo. Leli myeza lokubuyela lunqume inani lesikhombiso esingabonakali sokuqala phakathi komphahla wesayinti neesayithi zesayithi, ukusure ukuthi akukho usizo nokuhlola ngaphandle kokwaziwa kwe-produkto lolunxibelelwe. Umyeza lunikezwe ukusebenza ngokupheleleyo ngamperethawhi eziningi zokuprosesha, uzama umkhonto wesikhwamlanga sesixhasa sakhe ngalokhu zihamba. Ukuchaza isigaba esikhona ngesayinti lesi-EPDM, uhlola ngendlela eyahlukileyo amaphrofayithi abaningi lokubuyela ngakwabo ngenxa yesayithi sesiphrofayithi sokushintsha kweprodakto ezinayo. Umyeza lwavumelwa ngokupheleleyo ngokusebenzisa umbungu wokusetyenziswa omtsha okungena ubuciko bese kuphela nokubuyela ngokupheleleyo, futhi ngokuphela ngokuthi akudingekako ukususa imithombo yesayithi yokushintsha. Leli solushi elikhulu kulula ukufinyelela kanye nokubuyela emoldini, ngakwakhona ukungabuyiselwa ukusetyenziswa kokubuyela nokuhlola. Kuningi lokuncane kwiindlela ezidinga izinselo zokushintsha, njengomoto we-automotive weatherstripping, imithombo yebhoroji, kunye nomsebenzi womsebenzi, apho i-surface finish ngeendlaweni edingekayo kuzikhona.

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Umshetshisi wokulayisha wesithathu siphakeme nesipheni esilayiswayo ethaphetha amakhulu elibonisa ukuthi kungcono lapho yikhono lokusebenza komphendiso wezithathu. Ngokuqondile, uyihlobene ngempumelelo yokusebenza ngokushintsha okukhona kunye nokuphumelela kakhulu kwezinhlobo zaseEPDM ezinethapheni, uzixhasa izicatulo zomoya nokucabanga ukusuka kweminyaka. Ikhathazo leshetshisi lesihle sokubaleka kuhlelwa ngokugcina lokuncane lokusebenza, ukuze kunehlukaniswa ngokupheleleyo nokuzihlanganisa umsebenzi wamanye amandla. Ukufakelwa kwegumbi lokunenzeka kanye nokwesabi kweVOC (Ama-Volatile Organic Compound) ubhekisele ukuthi kungavunyelwe ngokuthi igumbi lokuhlola kunye nokuthi kungasemva kwezinsiza. Ukusindiswa ngokuthathu kweleshetshisi kulayishayo khona isigaba samalayiso asikhothi, ukuze akufanele ukusetshenziswa ngokuba kakhulu nokusetshenziswa kwezinyawo zokusetshenziswa nokuyihlobene ngempumelelo ngeenhlobo yenethapheni. Umyalezo wakhe ongashintshiwe kuhle kuhlonela ukuthi iindlela zezinhlobo zizobuyelela imithombo yakhe nekupheliswa kwezinhlobo, nokuthi kuhlonela ukuthi zingaqhubekanga nokuthi zibuyekezele ifomu. Ngiya kuwo, ukumngazana ngezinhlobo zenkcubeko engeziwe ngokuthi zimnandi nokuthi zingahlatywa ngokuthi zibuyekezele ukusetyenziswa kwezinhlobo eziphumayo njengokubhala nokubhalwa. Umshetshisi wakhe wesihlutshini wakhe wakhiwe ngokuthi kuhlonangako ukusetshenziswa nokuthi kuhlonangako ukusetshenziswa kwezinhlobo ezincinci nokuthi zingaqhubekanga nokuthi zibuyekezele ukusetyenziswa kwezinhlobo. Ngakho esikhundleni, uyihlobene ngempumelelo nokuthi kuhlonela ukuthi amandla azifanele ukusetshenziswa nokuthi kuhlonela ukuthi zingaqhubekanga nokuthi zibuyekezele ukusetyenziswa kwezinhlobo. Umyalezo wakhe wakhiwe ngokuthi kuhlonela ukuthi amandla azifanele ukusetshenziswa nokuthi kuhlonela ukuthi zingaqhubekanga nokuthi zibuyekezele ukusetyenziswa kwezinhlobo.

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umthwalo wokulayisha okusebenzisa ku-ethylene propylene diene monomer rubber

umthengi wophrofilo lwePU elastomer

umshado wophu hr

umshado wophu hr okuthandwayo

umshado wemodeli leconcrete

umshado wokubhala esenziwayo lwe-EPDM

umthwalo wokulayisha okusebenzisa ku-ethylene propylene diene monomer rubber

Ukuphuculeka Kwesikhatsi Esiphuthumana

I-ethylene propylene diene monomer rubber release agent uhlanganisa amandla akhe okubhekisana obungakhotholi ezikhathaleni zindawo. Ukubala kwezinye zeqhutywa luhlengisa isiphumo esihle sokuqinisekiswa phakathi komphahla womoya nesi-rubber compound, ukusure kaqinisekiso nokulandelayo lokusebenza lokunyusa iziphiwo. Umsebenzi wokubhekisa uhlengana inqanawe yemikroskopu yokuthi yinkampani ngaphandle kokuthi iphinde iphinde ngendlela ephakeme kakhulu ezindaweni zokuthatha umoya okuphumeleleyo nokuthatha umtshato okuphumeleleyo ezikhathaleni zokushintsha i-EPDM rubber. Le ukubhekisana okungakhotholi uhlanganisa imibuzo emithathu yokusebenza okufanele abasebenze ngokubanzi ukusuka weziphiwo ezimbili, uzame ukukhubaza lokuhlanganiswa ukuthi akukho ukubekela i-rubber nokuthi akukho ukususela umlando wokususa. Ukubhekisana lwesigaba elitshe leli luhlengana lokuthi libe efanele ngaphandle kokuba kuhlatywa kanye nokuba kuhlale kakhulu ngaphandle kokuba kuhlatywa kanye nokuba kuhlale kakhulu.

Ukulandelwa Kwemphahla Kakhulu

Yekumngeni lokugcina okungakhotheli kakhulu lapho le release agent, ukuqinisekiswa kwesicelo sasihlukumele. Umlimi wabulawa amaxesha ahlukanisayo apho akhetha ukusetyenziswa ngokubulawa ngeEPDM rubber kunye nokuphakamisa kwezicelo, ukusuka kuziphindaphinda izinyathelo ezifanayo zokubulawa nokuhlola kahle kwesicelo. Lomgciwo wesicelo sokugcina uhlanganisa amaxesha engaqondisiweyo kanye nokwesibonelo esincinci sokunyusa kanye nokuncedile kakhulu. I-release agent yahlukumeza amaxesha angaphambili kanye nokuthi akufanele ukuba amaxesha angenziwe amandla asendaweni yokusebenza, ukusuka kuziphindaphinda ukusetyenziswa kokulima nokuvula ukusetyenziswa kokulima. Ukusindiswa lokungasebenzi kakhulu lokuhlukumeza amaxesha asendaweni yokusebenza kunye nokuhlinza umoya wokuqala lwesicelo nokuhlola uphawu lwesiphi sihlukumeze.

Ukuphumelela nokuhlola isibhedlela

Umphumeleli wokubhala wesithuthi sasendaweni seEthylene Propylene Diene Monomer (EPDM) uhlaziwe ngokwesiphumo esihloniphekhetho lesendlaleleni kanye nokulambo olunemibono. Ukuphakamiswa kwesiqhakambu sesiqephu sengxenyeni sihluleka ukususa isisekelo semfazwe phakathi komhlaba ngokusho kakhulu kumthetho wesikhatsi esisodwa esinjalo ezindlaleni zokuthatha amathole. Umgcibelo wenqanawe yonke leyi- VOC ayiphinda ukukhuluma imibuzo engaphandle kwenqanawe yokusebenza kanye nokuvikelwa okufanele, ukuba asikho amagama angaphansi kuhluke kanye nemahluko emangalisayo, lokuna umphumeleli usetyenziswa ngokuphi ndawonye apho amandla amaningi asebenzisa amaxesha engeziyo. Lona lomphumeleli aluhlali amagama angaphansi kuhluke kanye nemahluko emangalisayo, futhi ungene ngempela lokusebenzisa apho amandla amaningi asebenzisa amaxesha engeziyo. Ukuthi aluhlali amagama angaphansi kuhluke kanye nemahluko emangalisayo, futhi ungene ngempela lokusebenzisa apho amandla amaningi asebenzisa amaxesha engeziyo.