Hydroxypropyl Methylcellulose (HPMC) o se polymer tele fa'aaogaina i pisinisi eseese, e aofia ai le fa'apipi'i ma fa'amaufa'ailoga vaega. O ona uiga tulaga ese, e pei o le solubility vai, mafiafia gafatia, ata-fausia gafatia, ma adhesion, avea o se faaopoopoga taua i nei talosaga. 1. I...
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