Hydroxypropyl Methylcellulose (HPMC) is one of the most versatile non-ionic cellulose ethers used across dry-mix mortar construction, pharmaceuticals, cosmetics, and food processing. Serving primarily as a thickener, water retention agent, stabilizer, and film-former, its functional performance is almost entirely governed by one parameter: viscosity. Selecting the correct viscosity grade ensures your final formula achieves the […]