Hydroxypropyl Methylcellulose(HPMC) HPMC (Hydroxypropyl Methylcellulose) is a non-ionic cellulose ether derived from natural cellulose through chemical modification. It appears as a white or off-white powder, is ……继续阅读 » admin 3个月前 (06-08 01:20) 216浏览 0评论 0个赞
