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He aha nā ʻeke maikaʻi loa no ka hoʻopaʻahau ʻana i ka meaʻai?
Nā ʻAno o nā ʻEke Paʻahau 1. Nā ʻEke Mea PE ʻO nā ʻeke mea PE (polyethylene) kahi koho kiʻekiʻe no ka hoʻopaʻahau ʻana i ka meaʻai ma muli o ko lākou sila maikaʻi loa a me ke kūpaʻa. Pale pono lākou i ka nalowale o ka makū a me ka puhi ʻana o ka pahu hau. He kūpono ka hoʻohana ʻana i nā ʻeke ziplock PE a mālama i ka meaʻai hou no ka lōʻihi. Nā Pono: Ikaika nā...E heluhelu hou aku -
He aha ka pōmaikaʻi o ka ʻeke PE?
ʻO ka ʻeke palaki PE he pōkole no ka polyethylene. He resin thermoplastic ia i polymerized ʻia mai ka ethylene. ʻAʻohe ʻala o ka Polyethylene a manaʻo ʻia e like me ka wax. Loaʻa iā ia ke kūpaʻa haʻahaʻa maikaʻi loa (hiki i ka mahana hoʻohana haʻahaʻa ke piʻi i -70 ~ -100 ℃), kūpaʻa kemika maikaʻi, kū'ē ...E heluhelu hou aku
