Rabara ea tlhaho ke motsoako oa polima oa tlhaho o nang le polyisoprene e le karolo ea mantlha.Mokhoa oa eona oa molek'hule ke (C5H8)n.91% ho isa ho 94% ea likarolo tsa eona ke rabara ea hydrocarbons (polyisoprene), 'me tse ling kaofela ke liprotheine, Lintho tseo e seng tsa rabara tse kang mafura a acid, molora, tsoekere, joalo-joalo. Rabara ea tlhaho ke eona...
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