Menene bambance-bambance tsakanin man mai tushe guda biyar?

Menene bambance-bambance tsakanin man mai tushe guda biyar?

Man shafawa yana hada da base oil da additives,base oil ya kasu kashi biyar, bi da bi ⅠⅡⅢⅣⅤ class base oil, Bang master in gaya muku wadannan nau'ikan base oil guda biyar daban ne.

Class I tushe mai

A samar tsari na gargajiya sauran ƙarfi refining ma'adinai mai, Class I tushe mai ne m dogara ne a kan jiki tsari, ba ya canza tsarin na hydrocarbons, da yi shi ne kai tsaye alaka da ingancin albarkatun kasa, da yi ne sosai general, shi ne mafi arha. tushe mai a kasuwa.

Class II tushe mai

Hydrocracking ma'adinai mai, Class II tushe man da aka shirya ta hanyar hade tsari (tsari mai narkewa hade da hydrogenation tsari), yafi ta sinadaran tsari, na iya canza asali hydrocarbon tsarin. Saboda haka, Class II tushe mai yana da ƙarancin ƙazanta, babban abun ciki na cikakken hydrocarbons, kyakkyawan kwanciyar hankali na thermal da juriya na iskar oxygen, ƙarancin zafin jiki da aikin watsawar soot sun fi mai tushe Class I.

Class III tushe mai

Deep hydroisomerization dewaxing tushe mai, Class III tushe man ne bukatar dewaxing albarkatun kasa tare da babban hydrogen abun ciki, tare da cikakken hydrogenation tsari, na zuwa ga high danko index hydrogenation tushe mai, kuma aka sani da unconventional tushe mai (UCBO), fiye da class I tushe mai da Class II tushe mai a cikin aiki.

Class IV tushe mai

Polyalphaolefin roba mai, kuma aka sani da PAO tushe mai. Hanyoyin samarwa da aka saba amfani da su na mai tushe na aji IV sune hanyar fashewar paraffin da hanyar ethylene polymerization, kuma tushen mai da ya ƙunshi macromolecules ana tsabtace shi ta hanyar halayen sinadarai masu rikitarwa. An tsara kwayoyin halitta da kyau, man yana da inganci mai kyau, yana da babban ma'anar danko, kyakkyawan juriya na iskar shaka da kwanciyar hankali na thermal, da rashin ƙarfi.

Class V tushe mai

Class V tushe mai, ban da aji I-IV tushe mai sauran roba mai, gami da roba hydrocarbons, esters, silicone man da sauran kayan lambu mai, tare da ake magana a kai a matsayin Class V tushe mai.