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SBS ndi chiyani
SBS (styrene-butadiene-styrene) Poly (styrene-butadiene-styrene) kapena SBS, ndi rabara yolimba yomwe imagwiritsidwa ntchito kusinthira phula, kupanga nsapato, zopondapo matayala, ndi malo ena omwe kulimba ndikofunikira.Ndi mtundu wa foni ya copolymer ...Werengani zambiri
