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On the other hand, HPMC is a nonionic water-soluble polymer that exhibits thermal gelation similar to MC but with enhanced solubility and stability over a wider pH range. This property allows HPMC to serve as an excellent film-forming agent for coating solid dosage forms, protecting them from environmental conditions such as moisture and oxygen. Additionally, HPMC's surface activity contributes to its effectiveness as a suspending agent, ensuring uniform distribution of medication in liquid formulations.

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Shijiazhuang Yongfeng hpmc hydroxypropyl