High-Quality, Competitively Priced Hydroxypropyl Methylcellulose (HPMC): A Comprehensive Guide
Introduction
Hydroxypropyl Methylcellulose (HPMC) is a versatile cellulose ether renowned for its exceptional water retention, thickening, and film-forming properties. Across industries like pharmaceuticals, construction, food, and cosmetics, HPMC plays a pivotal role in enhancing product performance and stability. This guide delves into the uses, dosage, specifications, and quality indicators of high-quality, competitively priced HPMC, with a specific recommendation for Qingdao ACTA Biotechnology’s HPMC product.
Use and Dosage of High-Quality HPMC
Applications
HPMC’s multifaceted utility spans several key sectors:
Pharmaceuticals: HPMC serves as a critical excipient in tablets and capsules, functioning as a binder, film former, thickener, and suspending agent. In ophthalmic preparations, it acts as a lubricant and moisture-retaining agent, ensuring comfort and efficacy.
Construction: As a water retention agent, thickener, and workability enhancer, HPMC significantly improves the performance of cement-based products like tile adhesives, gypsum plaster, wall putty, and mortar. It enhances adhesion, prolongs open time, and prevents sagging, ensuring superior construction outcomes.
Food Industry: HPMC is employed as a thickener, emulsifier, and texturizer in various food products, including baked goods, fat-free products, and vegetarian gelatin substitutes. Its ability to enhance texture and stability makes it an invaluable ingredient in modern food formulations.
Cosmetics: In cosmetics, HPMC functions as a thickener, emulsifier, and film former, contributing to the improved texture and moisture retention of creams, lotions, and gels.
Dosage Guidelines of Hydroxypropyl Methylcellulose HPMC
The dosage of HPMC varies depending on the application and desired performance:
Construction: Typically, HPMC is used at 1% to 5% by weight in wall putty, tile adhesives, and plaster mixes. For instance, in wall putty formulations, 1-5% HPMC improves workability and water retention, leading to more durable and aesthetically pleasing finishes.
Pharmaceuticals: Dosage depends on the specific function:
Tablet binder: 0.5-5%
Controlled release matrix: 20-55%
Ophthalmic preparations: 0.1-0.5%
Creams and gels: 1-5%
Suspending agents and antacids: 1-2%
Food: HPMC is used as per formulation needs, typically in low percentages for thickening and emulsification purposes.
Specifications and Technical Data of High-Quality Hydroxypropyl Methylcellulose HPMC
To ensure consistent performance across diverse applications, high-quality HPMC must meet stringent specifications. Key parameters include:
Appearance: White to off-white powder, indicating purity and quality.
Molecular Weight: 10,000 – 1,500,000 g/mol, depending on the grade, which influences viscosity and performance.
Viscosity Range: 5 – 100,000 mPa·s, varying by grade and concentration, crucial for application-specific performance.
Gelation Temperature: 50 – 90°C, depending on viscosity and concentration, affecting the onset of gelation in various formulations.
pH Range (1% solution): 4.0 – 8.0, suitable for a wide range of formulations.
Moisture Content: ≤ 5.0%, ensuring stability and preventing clump formation.
Ash Content: ≤ 1.5%, indicating low inorganic residue and high purity.
Heavy Metals: ≤ 20 ppm, ensuring product safety and compliance with regulatory standards.
Qingdao ACTA Biotechnology offers high-quality Hydroxypropyl Methylcellulose that stands out in the market for its exceptional quality, competitive pricing, and comprehensive technical support. Here’s why their HPMC is a top choice:
Competitive Pricing: Qingdao ACTA Biotechnology’s HPMC is competitively priced within the market range of approximately 2.2 to 3.0 USD/kg, depending on grade and volume, making it an economical choice without compromising on quality.
Product Grades: Available in multiple viscosity grades, their HPMC is tailored to meet the specific requirements of pharmaceutical, construction, and food applications, ensuring optimal performance in each sector.
Customization: The company offers customized HPMC with surface treatments to enhance dispersion, prolong open time, and improve anti-sagging properties, particularly beneficial for construction applications.
Quality Assurance: Qingdao ACTA Biotechnology’s HPMC products comply with USP, EP, BP standards, and are Kosher and Halal certified, ensuring pharmaceutical-grade purity and safety.
Application Support: The company provides technical assistance and formula customization to optimize HPMC use in specific formulations. For example, in wall putty, typical dosages of 1-5% HPMC from Qingdao ACTA Biotechnology can significantly improve workability and adhesion.
Product Specifications from Qingdao ACTA Biotechnology (Typical)
Appearance: White to off-white powder
Viscosity (mPa·s): 5,000 – 50,000 (customizable)
Moisture Content: ≤ 5%
Ash Content: ≤ 1.5%
Heavy Metals: ≤ 20 ppm
pH (1% solution): 4.0 – 8.0
Particle Size: 80 – 250 µm
Solubility: Water soluble, organic solvent insoluble
Shelf Life: 2-3 years (cool, dry storage)
Recommended Uses and Dosage
Construction: 1-5% in tile adhesives, gypsum plaster, and wall putty to enhance water retention, workability, and adhesion.
Pharmaceutical: 0.5-5% as a binder or film former; up to 55% in controlled-release matrix formulations.
Food and Cosmetics: As per formulation requirements, typically 0.1-5% for thickening, emulsifying, and film-forming functions.
Summary
Qingdao ACTA Biotechnology’s Hydroxypropyl Methylcellulose is a high-quality, competitively priced product that caters to the diverse needs of the pharmaceuticals, construction, food, and cosmetics industries. With stringent quality standards, detailed technical specifications, and a commitment to customer support, their HPMC ensures reliable performance across a wide range of applications. Recommended dosages vary by application but typically range from 0.1% to 5%, with higher concentrations suitable for controlled-release pharmaceutical formulations.
The combination of quality, price competitiveness, and technical service makes Qingdao ACTA Biotechnology’s HPMC a strong choice for manufacturers seeking reliable and high-performing cellulose ether solutions.