ʻO ka pā kepau e pili ana i kahi pā i ʻōwili ʻia me ke kēpau metala.He ikaika ka anti-corrosion, acid and alkali resistance, a he mea maʻalahi hoʻi ia i ka pale radiation ma nā ʻano he nui e like me ke kūkulu ʻana i ka waika-ʻoiaʻiʻo, ka pale ʻana i ka lāʻau lapaʻau, X-ray, CT lumi radiation pale, aggravation a me ke kani ʻana. He ikaika ka anti-corrosion, acid and alkali resistance, acid-proof environment construction, medical radiation protection, X-ray, CT lumi radiation protection, aggravation, sound insulation a me na mea he nui, a he mea maʻalahi loa ia.