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Chii chinonzi SBS
SBS (styrene-butadiene-styrene) Poly (styrene-butadiene-styrene) kana SBS, irabha yakaoma inoshandiswa kushandura asphalt, kugadzira sosi dzeshangu, kutsika matayi, nedzimwe nzvimbo uko kusimba kwakakosha.Imhando yekufona kwecopolymer ...Verenga zvimwe
