Two percent of HPMC appeared to be a satisfying suspending agent by evaluating the sedimentation rate and the redispersi通过对其沉降体积比、再分散性指标的考察，筛选了2%HPMC助悬剂，并从流变学、混悬剂黏度及显微形态等方面对其稳定性进行了研究。