At NINGBO INNO PHARMCHEM CO.,LTD., we understand that the successful application of Hydroxypropyl Methyl Cellulose (HPMC) hinges on a thorough understanding of its technical specifications. HPMC is a highly versatile cellulose ether, and its performance characteristics are dictated by several key parameters. Familiarity with these specifications allows our clients to select the optimal grade for their specific needs, whether in construction, coatings, or other industries.

One of the most critical specifications for HPMC is its HPMC viscosity. Viscosity is typically measured in mPa.s (millipascal-seconds) at a given concentration and temperature. Different applications require different viscosity levels. For instance, higher viscosity grades are often preferred in certain construction applications for improved sag resistance and thickening power, while lower viscosity grades might be suitable for formulations requiring good flow and leveling, such as in some coatings. We offer a wide range of viscosity grades, from a few thousand to over 200,000 mPa.s, to meet diverse requirements.

Other crucial parameters include the methoxyl content and hydroxypropoxyl content. These substitution levels directly influence HPMC's solubility, gel temperature, and water retention properties. For example, a higher hydroxypropoxyl content generally leads to a lower gel temperature and improved water retention, which is particularly beneficial in construction materials. The moisture content is also important, typically kept below 5.0%, to ensure product stability and prevent clumping. Ash content and pH value are also monitored to ensure purity and chemical stability.

The physical appearance of HPMC is generally a white or off-white powder. This consistency in appearance is maintained through rigorous quality control at our manufacturing facilities. Understanding these specifications allows users to leverage the full potential of HPMC, whether it's for improving the HPMC water retention property in mortars, enhancing the slip resistance in construction projects, or acting as a reliable additive in various industrial processes. NINGBO INNO PHARMCHEM CO.,LTD. is dedicated to providing detailed technical support to ensure our clients select the precise HPMC grade that best suits their unique application challenges.