Mbere yuburyo bukuru bwo gusohora, ibiryo bya polymeric byabitswe bivangwa ninyongeramusaruro zitandukanye nka stabilisateur (kubushyuhe, okiside itajegajega, ituze rya UV, nibindi), ibara ryibara ryibara, flame retardants, kuzuza, amavuta, imbaraga, nibindi kugirango bitezimbere ubuziranenge bwibicuruzwa nibikorwa. Mi ...
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