Kuthunyelwe ku 2019-03-11Imishini ye-Dacromet idlala indima ebalulekile embonini yesimanje.Izingubo ze-Dacromet nazo zivame kakhulu ekukhiqizeni, kodwa ukugqoka kwe-Dacromet akukwazi ukugcinwa emazingeni okushisa aphezulu.Kungani?
Isizathu siwukuthi kukhona uchungechunge lwezinzuzo kubuchwepheshe be-Dacromet ukuthi i-plating yendabuko ayikwazi ukufana, ephonswa ngokushesha emakethe yamazwe ngamazwe.Ngemva kweminyaka engaphezu kwengu-20 yokuthuthukiswa okuqhubekayo nokuthuthukiswa, ubuchwepheshe be-Dacromet manje sebusungule uhlelo oluphelele lokwelashwa kwendawo, olusetshenziswa kabanzi ekwelapheni okulwa nokugqwala kwezingxenye zensimbi.Le nkampani yasungula i-Nippon.Darro.shamrock (NDS) ngo-1973 ne-Japan Oil & Fats Co., Ltd., yaphinde yasungula i-DACKAL eYurophu nase-France ngo-1976. Bahlukanise imakethe yomhlaba yaba izimakethe ezine ezinkulu: i-Asia Pacific, i-Europe, Afrika kanye naseMelika.Ibophezelekile esifundeni esisodwa futhi ifune izintshisekelo ezifanayo emhlabeni wonke.
Ngenxa yokuthi izinga lokushisa eliphakeme, maningi amathuba okuba ukuguga koketshezi olunamathelayo, izinga lokushisa lokugcina le-Dacromet coating liquid kungcono lilawulwe ngaphansi kuka-10 °C.Ngesikhathi esifanayo, ngaphansi kokukhanya kwelanga, uketshezi lokugcoba kulula ukwenza i-polymerize, i-metamorphose, ngisho nokuchithwa, ngakho-ke kungcono ukuyigcina endaweni epholile.Isikhathi sokugcina se-Dacromet coating liquid asiside kakhulu, ngoba uma uketshezi olugciniwe olugciniwe lude, inani le-pH lizoba phezulu, okuzokwenza ukuthi uketshezi lokugcoba luguge futhi lulahlwe.Okunye ukuhlola kubonise ukuthi imfucuza ngemva kokulungiswa kwe-Dacromet engena-chromium, uketshezi lusebenza izinsuku ezingu-30 ku-20 ° C, izinsuku ezingu-12 ku-30 ° C, futhi izinsuku ezingu-5 kuphela ku-40 ° C.
Ngakho-ke, i-Dacromet coating liquid kufanele ibe khona ngaphansi kwezimo eziphansi zokushisa, noma izinga lokushisa eliphezulu lizokwenza ukuthi uketshezi lokugcoba luguge.
Isikhathi sokuthumela: Jan-13-2022