Hydroxyethylcellulose (HEC) o se polymer non-ionic, vai-soluble e maua mai le cellulose, lea e masani ona faʻaaogaina i pisinisi eseese e pei o cosmetics, pharmaceuticals, meaai, ma textiles. O ona uiga tulaga ese e avea ai ma mea taua i le tele o faʻatulagaga, e aofia ai le mafiafia, emulsifi...
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