Polyisobutylene (PIB) jẹ ti ko ni awọ, ti ko ni itọwo, ti kii ṣe majele ti o nipọn tabi nkan-ara ologbele, resistance ooru, resistance oxygen, resistance ozone, resistance oju ojo, resistance ultraviolet, acid ati alkali resistance ati awọn kemikali miiran iṣẹ ṣiṣe to dara.Polyisobutylene jẹ alaini awọ, ti ko ni oorun, ko si ...
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