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Hydroxypropyl methylcellulose, commonly known as HPMC, is a semi-synthetic polymer derived from cellulose. It serves as a multifunctional excipient due to its excellent film-forming ability, high viscosity, and pH stability. In solid dosage forms, HPMC acts as a binder, ensuring the cohesion of powders into tablets. Its thermal gelation property also makes it an ideal candidate for sustained-release matrix tablets, where it controls the release of active ingredients by forming a viscous gel layer that slows down drug dissolution.

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Shijiazhuang Yongfeng hydroxyethyl cellulose