Hydroxypropyl Methyl Cellulose (HPMC) - Hebei Tangzhi Technology | Thickener, Stabilizer, Film-Forming Agent

Hydroxypropyl methylcellulose (HPMC), with the CAS number 9004-65-3, is a multifunctional polymer that has become an essential component in various industries. Its unique properties as a thickener, stabilizer, and film-forming agent make it a critical material in construction, medicine, food, and daily chemicals. This article explores the functional advantages, technical specifications, applications, and company background of HPMC, with insights from authoritative sources such as the National Institute of Standards and Technology (NIST).

Figure 1: HPMC 00 - A high-purity HPMC powder used in industrial applications.

Understanding HPMC: A Multifunctional Polymer

HPMC is a semi-synthetic, cellulose-based polymer derived from natural cellulose through chemical modification. It is characterized by its hydroxypropyl and methyl groups, which enhance its solubility in both water and organic solvents. This dual solubility makes HPMC a versatile material for a wide range of applications. According to the NIST, polymers like HPMC are critical in modern manufacturing due to their ability to meet stringent performance and safety standards [1].

Key Features and Advantages

• Thickening and Stabilizing Agent: HPMC provides viscosity control and stability to formulations, preventing phase separation in products like paints, adhesives, and pharmaceuticals.
• Water Retention: Its ability to retain moisture makes it ideal for construction materials such as cement and mortar, where it improves workability and reduces cracking.
• Biocompatibility: HPMC is non-toxic and biodegradable, making it suitable for use in food and medical applications.
• Thermoreversible Gelation: HPMC forms gels that dissolve at higher temperatures, a property exploited in drug delivery systems and temperature-sensitive coatings.

Figure 2: HPMC packaging - Designed for safe storage and transport of the product.

Technical Specifications of HPMC

The performance of HPMC depends on its molecular structure and functional groups. Below is a detailed specification table for HPMC:

Parameter	Specification
CAS Number	9004-65-3
Molecular Weight	Varies (typically 40,000–1,000,000 g/mol)
Viscosity (2% aqueous solution)	10–100,000 mPa·s (depending on grade)
Solubility	Water-soluble; slightly soluble in ethanol
pH Range	5–9 (stable in neutral to slightly acidic conditions)
Thermal Stability	Decomposes at >300°C

Applications Across Industries

HPMC's versatility is reflected in its widespread use across multiple sectors. Here are some key applications:

1. Construction Industry

In construction, HPMC is used as a water retention agent in cement-based products. It improves the workability of mortars and plasters by maintaining moisture, ensuring proper hydration and reducing cracking. According to NIST, the use of additives like HPMC in construction materials enhances durability and compliance with industry standards [2].

2. Pharmaceutical Industry

HPMC is a critical excipient in drug formulations. It acts as a binding agent in tablets, a film-forming agent in coatings, and a controlled-release matrix in sustained-release drugs. Its biocompatibility and ability to form gels make it ideal for oral and topical medications.

3. Food Industry

In food, HPMC serves as a stabilizer and emulsifier, preventing separation in products like dairy alternatives and sauces. It is also used as a texturizer in gluten-free baked goods, improving texture and moisture retention.

4. Daily Chemicals

HPMC is found in personal care products such as shampoos, lotions, and toothpaste. Its thickening properties enhance product consistency, while its film-forming ability improves the performance of coatings and adhesives.

Company Background: Hebei Tangzhi Technology Co., Ltd.

Hebei Tangzhi Technology Co., Ltd. is a leading manufacturer of HPMC, specializing in high-quality cellulose derivatives. Located in Hebei, China, the company has established itself as a reliable supplier to global industries. With a focus on innovation and sustainability, Tangzhi Technology ensures its products meet international standards.

As a China HPMC factory, Tangzhi Technology offers competitive HPMC prices and HPMC suppliers services, catering to diverse markets. Their commitment to quality control and customer satisfaction has made them a trusted name in the industry. For more information, visit their company page.

Why Choose HPMC from Hebei Tangzhi Technology?

Hebei Tangzhi Technology's HPMC products are distinguished by their consistency, performance, and affordability. The company's state-of-the-art facilities and rigorous testing protocols ensure that every batch meets the highest standards. Whether you are looking to buy HPMC for industrial use or HPMC for sale in bulk, Tangzhi Technology provides tailored solutions to meet your needs.

Conclusion

Hydroxypropyl methylcellulose (HPMC) is a cornerstone of modern industrial chemistry, offering unparalleled versatility and performance. From construction to pharmaceuticals, its applications are vast and impactful. Hebei Tangzhi Technology Co., Ltd. stands as a reliable partner in the production and supply of HPMC, ensuring that industries worldwide benefit from its superior properties. As NIST continues to advance measurement standards, materials like HPMC will remain vital to innovation and quality [3].

References

[1] National Institute of Standards and Technology (NIST) – Contributions to polymer science and industrial standards.

[2] NIST – Research on construction materials and performance optimization.

[3] NIST – Role in advancing measurement science for industrial applications.