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Derived through chemical modification of cellulose, HPMC undergoes ethoxylation and subsequent methylation, resulting in a water-soluble derivative with improved gel-forming abilities. This process imparts a hydrophilic nature to the polymer, allowing it to easily disperse in water and create viscoelastic solutions. The hydroxypropyl content determines its degree of solubility and flexibility, with higher percentages offering better water retention and thickening properties.

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hpmc tile adhesive