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Hydroxypropyl Methylcellulose, a cellulose ether, is derived from natural cellulose through chemical modification. It acts as a rheology modifier, water retention agent, and binder, imparting distinct advantages to gypsum-based products. In the context of gypsum, HPMC contributes to improved hydration, ensuring a consistent and controlled setting time. This is crucial for maintaining the structural integrity of panels during production and transportation.

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hydroxyethyl cellulose hec