ʻO ka Hydroxypropyl Methylcellulose (HPMC, Hydroxypropyl Methylcellulose) he semi-synthetic, inert, non-toxic cellulose derivative i hoʻohana nui ʻia i loko o nā hale kūkulu hale, ʻoi aku ka nui o nā pena latex. ʻO ka hoʻohui ʻana o HPMC ʻaʻole e hoʻomaikaʻi wale i ka paʻa, rheology a me ka brushability o ka pena latex, bu...
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