Hydroxypropyl methyl selulose (HPMC) ikozwe mu ipamba itunganijwe neza, ihindurwamo umuti wa sodium hydroxide (soda ya caustic soda), ushyizwemo na methyl chloride na okiside ya propylene, hanyuma ukabogama, ukaboneka nyuma yo kuyungurura, kumisha, kumenagura no kuyungurura.Ibisobanuro bigaragara ...
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