HPMC (Hydroxypropyl Methylcellulose) is a non-ionic cellulose ether derived from natural cellulose through chemical modification. It appears as a white or off-white powder, is odorless and non-toxic, and readily dissolves in cold water to form a clear or slightly opaque colloidal solution. HPMC offers excellent thickening, water-retention, film-forming, binding, suspension, and emulsifying properties, making it…