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Hoʻokaʻawale ʻia ka bentonite ma muli o ka calcium no ka lāʻau
Hoʻohana ʻia nā reagents e pale pono i ka pili ʻana i ke kiʻiʻoniʻoni.
ʻO ka hui pū ʻana o nā mea hoʻokaʻawale ʻōpala, nā derivatives stearic acid, nā mea anti-sticking kūikawā, nā surfactants kūikawā, nā pauka ultrafine a me nā mea ʻē aʻe.
