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2. Pharmaceutical Industry HPMC is used as a binder and disintegrant in tablets and capsules, as well as a coating agent for oral sustained-release formulations. Furthermore, HPMC is used in the production of building blocks and bricks. It enhances the shape retention and strength of these units, reducing breakages during manufacturing and transportation. In dry-mix products, it ensures consistent quality by controlling hydration rates and preventing segregation. Some of the leading MEHEC manufacturers in China include Shandong Xinhua Chemical Co., Ltd., Anhui Jinyuan Chemical Co., Ltd., and Hebei Jinguang Chemical Co., Ltd. These companies have established themselves as trusted suppliers of MEHEC products, renowned for their commitment to quality, innovation, and customer service. They have invested heavily in research and development to improve the performance and functionality of their MEHEC products, making them more competitive in the global market. HPMC is a water-soluble cellulose derivative that is widely used as a thickening agent, stabilizer, and emulsifier in various industries, including construction. It is derived from natural sources such as wood pulp and cotton, making it an environmentally friendly option for construction projects. The use of HPMC in construction has several advantages that make it a popular choice among builders and contractors. Redispersible Latex Powder A Game-Changer in Construction and Adhesive Industry Additionally, HPMC is used in personal care products such as toothpaste and shampoo because of its ability to provide excellent thickening and stabilizing effects without affecting the clarity or color of the formulations. Another factor that influences the price of HPMC is the production process. Different manufacturers may use varying production techniques and technologies, which can affect the quality and purity of the final product. Higher quality HPMC is typically more expensive than lower quality grades, as it requires more sophisticated production processes and higher levels of expertise.A study published in the Journal of Applied Toxicology evaluated the acute oral toxicity of HPMC in rats and found no side effects at doses up to 5000 mg/kg body weight (the highest dose tested). In addition, subchronic and chronic toxicity studies show no significant side effects in animals, even at high doses.
The pharmaceutical sector also benefits from HEC's thickening and suspending properties. It is often used in the formulation of oral medications to improve their texture and consistency, as well as in topical creams and gels to provide a smooth and uniform application. HPMC is also commonly used as a film former in the pharmaceutical industry. When applied to tablets or capsules, it forms a protective coating that helps to mask the unpleasant taste of drugs and protect them from moisture and oxygen. It can also be used to create sustained-release coatings, which allow drugs to be released slowly over a period of time. One of the key characteristics of HPMC is its water solubility, which makes it an excellent thickening agent for liquid-based products such as paints, adhesives, and pharmaceuticals. HPMC can form a clear, smooth, and stable gel when mixed with water, providing consistency and viscosity control to the final product. This is especially important in the pharmaceutical industry, where HPMC is commonly used in tablet coatings, controlled-release formulations, and ophthalmic solutions. Benefits of Using HPMC in Building Coating Adhesives