Ole vaila'au fa'afefiloi e masani ona fa'aaogaina mo le ethyl cellulose (DS: 2.3~2.6) o mea manogi manogi ma 'ava malosi. Aromatics e mafai ona faʻaaogaina benzene, toluene, ethylbenzene, xylene, ma isi, o le fua ole 60 ~ 80%; ava malosi e mafai ona avea ma methanol, ethanol, ma isi, o le fua o le 20 ~ 40%. Na fa'aopoopo lemu le EC i le co...
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