ʻO ka pauka pūpū e pili ana i ka pauda i hana ʻia e ka ʻohi ʻana a me ka ʻeli ʻana i nā pūpū.ʻO kāna mau mea 95% he calcium carbonate, chitin, a me kahi liʻiliʻi o nā waikawa amino a me nā polysaccharides.Hiki ke hoʻohana ʻia e like me nā mea kiʻekiʻe no ka meaʻai, nā mea hoʻonaninani a me nā mea hoʻonaninani o loko, a hoʻohana ʻia i nā holoholona a me nā moa.ʻO ka meaʻai a me ka meaʻai kumu calcium mea hoʻohui, ka hana ʻana i nā mea nani, desiccants, a me nā mea ʻē aʻe.

1. Adsorption o formaldehyde 2. E hoʻomaʻemaʻe i ka ea 3. E hoʻopau i ka hana ʻala 4. Nā hopena antibacterial a me antibacterial.