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SBS ke eng
SBS (styrene-butadiene-styrene) Poly (styrene-butadiene-styrene) kapa SBS, ke rabara e thata e sebelisetsoang ho fetola sekontiri, ho etsa lieta, lithaere tsa mabili le libaka tse ling moo ho tšoarella ho leng bohlokoa.Ke mofuta oa mohala oa copolymer ...Bala haholoanyane
