Na halitta roba fili ne na halitta polymer fili tare da polyisoprene a matsayin babban bangaren.Tsarin kwayoyinsa shine (C5H8) n.91% zuwa 94% na abubuwan da ke cikin sa sune roba hydrocarbons (polyisoprene), sauran kuma sunadaran gina jiki, abubuwan da ba na roba ba kamar fatty acid, ash, sugars, da sauransu.
Rubutun Haɗaɗɗi: Ƙaƙƙarfan roba yana nufin cewa abun ciki na roba na halitta shine 95% -99.5%, kuma an ƙara ƙaramin adadin stearic acid, styrene-butadiene roba, butadiene roba, roba isoprene, zinc oxide, carbon baki ko peptizer.Rubber mai ladabi.
Sunan Sinanci: roba roba
Sunan Ingilishi: roba roba
Ma'anar: Wani abu mai ƙarfi sosai tare da nakasawa mai jujjuyawa dangane da mahadi na polymer roba.
●Rarraba na roba
Rubber yafi kasu kashi uku: roba na halitta, roba mai hade, da roba.
Daga cikin su, roba na halitta da na roba sune manyan nau'ikan da muke shigo da su a halin yanzu;roba roba yana nufin wadanda ake hakowa daga man fetur, don haka ba za mu yi la'akari da shi ba har yanzu.
Robar dabi'a (robar dabi'a) tana nufin roba da aka yi daga tsire-tsire masu samar da roba.Robar da aka haɗe ana yin ta ta hanyar haɗa roba ta halitta tare da ɗan ƙaramin roba da wasu samfuran sinadarai.
● roba na halitta
An raba roba na halitta zuwa madaidaicin roba da rubber mai kyafaffen bisa ga tsarin masana'antu daban-daban.Daidaitaccen roba shine daidaitaccen roba.Misali, ma'aunin roba na kasar Sin shine Standard rubber na kasar Sin, wanda aka takaita da suna SCR, haka ma akwai SVR, STR, SMR da sauransu.
Daidaitaccen manne kuma yana da maki daban-daban, kamar SVR3L, SVR 5, SVR10, SVR20, SVR 50… da sauransu;bisa ga girman lambar, mafi girma lambar, mafi muni da inganci;Ƙananan adadin, mafi kyawun inganci (mafi mahimmanci don bambance tsakanin mai kyau da mara kyau Dalilin shine ash da ƙazantaccen abun ciki na samfurin, ƙananan ash, mafi kyawun inganci).
Manne takardar da aka kyafaffen ita ce Ribbed Smoked Sheet, wanda ke nufin wani ɗan ƙaramin roba mai kyafaffen, wanda aka gajarta azaman RSS.Wannan gajarta ta bambanta da daidaitaccen manne, kuma ba a rarraba ta gwargwadon wurin da ake samarwa, kuma magana iri ɗaya ce a wurare daban-daban na samarwa.
Hakanan akwai maki daban-daban na manne takarda kyafaffen, RSS1, RSS2, RSS3, RSS4, RSS5, iri ɗaya, RSS1 kuma shine mafi kyawun inganci, RSS5 shine mafi kyawun inganci.
● roba mai hade
Ana yin ta ne ta hanyar hadawa da tace robar halitta tare da robar roba kadan da wasu kayayyakin sinadarai.Mafi amfani da dabarar roba mai daɗaɗɗa ita ce wannan, irin su Malesiya's compound rubber SMR Compounded Rubber 97% SMR 20 (ma'auni na Malaysia) + 2.5% SBR (styrene butadiene roba, roba roba) + 0.5% stearic acid).
Rubber mai hade ya dogara da roba na halitta wanda ya zama babban bangarensa.Ana kiransa fili.Kamar yadda a sama, babban bangaren shine SMR 20, don haka ana kiran shi Malesiya No. 20 daidaitattun roba;akwai kuma hadadden takardar hayaki da ma'auni na roba.
Lokacin aikawa: Nuwamba-17-2021