Custom Manufacturing, Project Outsourcing, your Trusted Partner from China
Hydroxypropyl Methylcellulose (HPMC), with its CAS number 9004-65-3, is a cornerstone additive in numerous industries, particularly construction, coatings, and pharmaceuticals. As a leading manufacturer and supplier of HPMC in China, NINGBO INNO PHARMCHEM CO.,LTD. understands that selecting the correct grade of HPMC is crucial for achieving optimal results in specific applications. This guide aims to help procurement managers, R&D scientists, and formulators make informed decisions when they decide to buy HPMC.
The performance of HPMC is largely dictated by several key properties, most notably its viscosity, degree of substitution (DOS), and particle size. Viscosity, often measured in mPa.s (or cps) for a specific concentration (typically 2% in water), is a primary indicator of HPMC's thickening power. Lower viscosity grades are suitable for applications where a less viscous solution is desired, such as in some fluid formulations, while higher viscosity grades are preferred for applications requiring significant thickening, like in tile adhesives or cement mortars.
The degree of substitution, specifically the methoxy and hydroxypropyl content, influences HPMC's solubility, gelation temperature, and surface activity. Different ratios of these groups tailor HPMC for specific functions. For instance, variations in hydroxypropyl content can affect water solubility and the gel point, which are critical in applications sensitive to temperature fluctuations.
When considering which HPMC to purchase, it's vital to match its properties to your application's requirements. For the construction industry, higher viscosity HPMC grades (e.g., 40,000-100,000 mPa.s or higher) are commonly used in tile adhesives, mortars, and plasters to provide excellent water retention, adhesion, and anti-sagging properties. These grades ensure the workability and strength of cementitious systems.
In coatings and paints, a range of viscosities might be employed. Medium viscosity grades often provide the ideal balance for thickening latex paints, ensuring good application consistency and film formation. For daily chemical products like detergents, HPMC can enhance texture and foam stability, with viscosity selection depending on the desired product feel.
As a premier HPMC manufacturer and supplier from China, NINGBO INNO PHARMCHEM CO.,LTD. offers a comprehensive portfolio of HPMC products with varying viscosities and specifications to suit a wide array of applications. We are committed to providing reliable quality, competitive HPMC prices, and expert guidance to our clients. We encourage you to consult our technical data sheets and, more importantly, request samples to test our products in your specific formulations. Our goal is to be your trusted partner, ensuring you buy the HPMC that perfectly meets your performance needs and contributes to your product's success. Contact us today to learn more about our offerings and to secure a consistent supply of high-quality HPMC.
Manufacturing Facilities
Professional Export Experience
to Global Customers
1. 20 years of R&D, manufacturing and sales experience, serving customers in 60 countries and regions around the world;
2. Own R&D laboratory, pilot platform and large-scale production workshop, which can meet the audit requirements of global customers;
3. We can satisfy customers' perfect transition from small scale lab requirements (gram level) to commercialization requirements (hundred tons level).
A: We don't have Minimum Order Quantity, exact quantity should be provided before quotation for us to calculate the exact cost.
A: We don't provide free samples due to lots of request and expensive international courier's cost, we can deduct the sample charge after commercial order placed.
A: Our payment terms: Small or sample order: T/T IN ADVANCE. Commercial order: First order should be by T/T IN ADVANCE or L/C at sight, and following orders T/T 30~90days is acceptable subject to approval of credit application.
