ʻO ka Polyisobutylene (PIB) he mea kala ʻole, ʻono ʻole, non-toxic mānoanoa a semi-solid mea, pale wela, pale ʻana i ka oxygen, pale ʻana o ka ozone, pale ʻana i ka wā, pale ʻana i ka ultraviolet, ka ʻakika a me ke kūpaʻa alkali a me nā mea kemika maikaʻi.ʻO ka Polyisobutylene kahi kala ʻole, ʻaʻala ʻole, ʻaʻohe ...
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