Bɔku kayn rɔba de na di makit, lɛk natura l rɔba, styrene-butadiene rɔba, butyl rɔba, naytrile rɔba, butadiene rɔba ɛn risaykul rɔba, ɛn ɔda tin dɛn Difrɛn kayn rɔba de mek difrɛn rɔba prodak, we dɛn de mek rɔba prodak, lɛk fɔ yuz ɔgzilari matirial dɛn we nɔ fayn go briŋ lɔs we nɔ nid fɔ mek rɔba ɛntapraiz dɛn. Afta sɔm dez, wan kɔstɔma kam fɔ aks wetin mek di prodakshɔn fɔ rɔba prodak wit blu sprɛy, we na bikɔs dɛn nɔ pik rɔba ɔ fɔmula we nɔ rayt, wi injinia dɛn so fɔ introduks to kɔstɔma dɛn, di jenɛral sprɛy blu na mɔ bikɔs ɔf tumɔs asid, sɔm kes dɛn de.

1, plasticizer: plasticizer we dɛn ad insay di prodakshɔn fɔ risaykul rɔba prodak dɛn dɔn ɔksidayz bifo dɛn miks am, so insay di vulcanized rɔba go sprɛy blu; big aromatic hydrocarbon softening oil (lɛk rɔba softening oil, ɛn ɔda tin dɛn) ad tumɔs bak izi fɔ mek rɔba prodakt sprɛy blu.

2, kabɔn blak: insay di prodakshɔn fɔ kabɔn blak kabɔn blak insay di big mɔlyul dɛn we gɛt aromat haydrokabɔn dɛn nɔ de bɔn ful wan, we dɛn bay dis kayn kabɔn blak we dɛn ad to di rɔba rɔba prɔdak dɛn go izi fɔ sprɛy blu.

3, antioksidant: insay di prodakshɔn fɔ rɔba prodak fɔ ad ɛn yuz antiɔksidant akɔdin to di prɔpɔshɔn fɔ rɔba ɛn di kɔlɔ fɔ rɔba prodak, antiɔksidant ad tumɔs kɔlɔ tu dak go mek bak rɔba prodakt sprɛy blu, so di rayt amɔnt fɔ antiɔksidant.

4, di vulkanayzeshɔn tɛmpracha: bikɔs ɔf di rɔba prodak dɛm fɔ ad izi blu aditiv dɛm, apat frɔm di miks tɛmpracha tu ay, izi fɔ mek di vulkanayz prodak dɛm sprɛy blu.

5, rɔba miks nɔ ivin: insay di addɛshɔn fɔ ɔgzilari matirial miks bikɔs ɔf ɔgzilari matirial miks bikɔs ɔf ɔgzilari miks in kɔmbayn wit di kɔnsɛntreshɔn fɔ wan patikyula ɔgzilari matirial dɛn tu ay go mek di sɔfays fɔ rɔba prodakt sprɛy blu.

Nɔ spɛd rɔba prɔdakt renbo: di fɔmula kabɔn blak fɔ bi rizin wit; vulcanization system fכ bi sכmtεm pasmak, tray fכ ad lεs gris, rεsin, stearic acid, εtk.