Polyisobutylene (PIB) ni ibara ritagira ibara, ritaryoshye, ridafite uburozi bwimbitse cyangwa igice gikomeye, kurwanya ubushyuhe, kurwanya ogisijeni, kurwanya ozone, kurwanya ikirere, kurwanya ultraviolet, aside irwanya alkali nindi miti ikora neza.Polyisobutylene ni ibara, ridafite impumuro nziza, oya ...
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