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Moisture content is another factor that can affect the density of HPMC. As a hygroscopic material, HPMC can absorb moisture from the environment, which can lead to an increase in volume and, consequently, a change in density. Therefore, proper storage and handling of HPMC are essential to maintain its density and overall effectiveness in formulations.


HPMC is derived from cellulose, which is a natural polymer obtained from plant cell walls. The chemical modification process involves the introduction of hydroxypropyl and methyl groups into the cellulose structure, enhancing its solubility and expanding its range of applications. HPMC is characterized by its ability to form gels and films, making it suitable for use in products ranging from cement and plaster to personal care items and dietary supplements.


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