Hana ʻia nā ʻeke ʻeke palaki i ka polypropylene (PP) ma ke ʻano he kumu nui, ka mea i hoʻokuʻu ʻia, huki ʻia me ka hao, ulana hou ʻia, ulana ʻia, a hana ʻia i ʻeke pahu.ʻO PP kahi mea aniani, semi-crystalline thermosetting plastic me ka paʻakikī kiʻekiʻe, nā waiwai insulation maikaʻi, haʻahaʻa haʻahaʻa wai, kiʻekiʻe am ...
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