ʻO ka Hydroxyethyl cellulose (HEC) he melemele keʻokeʻo a māmā paha, ʻaʻohe ʻala, ʻaʻohe mea ʻawaʻawa a i ʻole ka pauka paʻa, i hana ʻia me nā linters pulupulu maka a i ʻole ka pulp i hoʻomaʻemaʻe ʻia i hoʻonā ʻia i loko o 30% wai alkali, lawe ʻia a kaomi ʻia ma hope o ka hapalua hola, E kaomi a hiki i ka ratio. ʻO ka wai alkaline hiki i 1: 2.8, a laila eʻoki. ʻO ka prepa ...
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