Semazita akaomeswa ematai, rabha anoreva kune yakanyanya elany polymer zvinyorwa zvine shanduko yekudzokera shure. Iyo ndeye elastic tembiricha yekushisa, inogona kubereka kuremara kwakakura pasi pechiitiko chechidiki simba rekunze, uye zvinogona kudzokera kuchimiro chayo chepakutanga mushure mekunge simba rekunze rabviswa. Rubber izere Amorphous polymer. Yayo girazi transition tembiricha yakaderera uye uremu hwayo hunokosha kazhinji, hwakakura kupfuura mazana ezviuru.
Rabha yakakamurwa kuita marudzi maviri: zvakasikwa rubber uye synthetic rubha. Rabara razvino rinogadzirwa nekubvisa gamu kubva mumiti yerabha, huswa hwerabha uye zvimwe zvinomera; Synthetic rabara inowanikwa ne polymerization yevakasiyana siyana vanogunun'una.
Isu tese tinoziva kuti rubber kuumbwa ine yakakwirira tembiricha zvinodiwa. Kazhinji, kuitira kuti uve nechokwadi chezvakanaka zveRabha maruva, mafekitori erubhi anowanzo shandisa yakakwirira-tembiricha yekuvandudza majenji ekupisa uye gadzira iyo rabha.
Sezvo rubber iri kupisa-nyungudika Naizvozvo, mamiriro ekugadzira ezvigadzirwa zveRabha anoda kupisa kwakakodzera uye ekunyorovera panguva ipi neipi nguva, zvimwe kusawirirana mune zvigadzirwa zvechigadzirwa zvinogona kuitika. Iyo jenareta yeSteam inoita basa rakakosha mune izvi.
Chero ani zvake anga asangana neRabha anoziva kuti rubber pachayo inoda rutsigiro rwekupisa kwakanyanya kuumba, uye kana uchiita kuti ushandise kupururudza uye kuchitonhora-kurongedza mapuranga ekugadziriswa panguva yekugadzira. Iyo jenareta yejenji inogona kutamba chikamu mune ichi maitiro. Ichi chigadzirwa chakagadziriswa nemugadziri chinogona kuwana njere dzekutonga uye dzinogona kugadzirisa tembiricha uye humidity zvinoenderana nezvinhu zvakasiyana, nekudaro kugadzira mhando yezvinhu zvigadzirwa zveRabha.
Nabeth Steam jenareta inogona kuenderera mberi inobuda yakakwirira-tembiricha ine tembiricha yakakwira kusvika 171 ° c, iyo yakakodzera zvizere kugadzirwa kwezvigadzirwa zveRabha.