Introduction to Hydroxypropyl Methyl Cellulose HPMC

Hydroxypropyl Methylcellulose (HPMC), whose Chinese name is hydroxypropyl methylcellulose, is a semi-synthetic, non-ionic cellulose ether obtained by chemically modifying natural cellulose. This white powder can form a transparent viscous solution after dissolving in water. It has excellent thickening, water retention, stability and film-forming properties. It is an indispensable multifunctional additive in many fields such as construction.

Characteristics and advantages of Hydroxypropyl Methyl Cellulose HPMC

Excellent water solubility: It can be quickly dissolved in cold water to form a clear and stable solution.

Efficient thickening and water retention ability: Increase the viscosity of the material, effectively reduce water evaporation, and improve work efficiency.

Good stability: It has good stability to acids, alkalis, and salts, and is suitable for a wide range of pH values.

Film-forming and protective effects: After drying, it forms a tough and transparent film to protect the substrate and prevent water penetration and evaporation.

Non-toxic and non-irritating: It has good biocompatibility and is suitable for the fields of medicine and food.

Adjustability: By changing the degree of substitution and molecular weight, its performance can be adjusted to meet different application requirements.

Specifications of Hydroxypropyl Methyl Cellulose HPMC

Hydroxypropyl Methyl Cellulose (HPMC)– Item Specifications

Chemical Identity

Chemical Call: Hydroxyprop Methyl Cellulose
CAS Number: 9004-65-3
Molecular Formula: C₈H₁₅O₅( OCH₃)_x( OCH₂CHOHCH₃)_y

Physical Properties

HPMC looks like a white or off-white, free-flowing powder. It has no noticeable odor and is safe. The material dissolves conveniently in cool water to form a clear, viscous remedy. It does not liquify in warm water, ethanol, ether, or the majority of natural solvents. When warmed, HPMC remedies gel at temperature levels between 50 ° C and 90 ° C, depending on the grade

Trick Performance Indicators

Thickness (2% service at 20 ° C): Varies from 5 mPa · s to 100,000 mPa · s, based on product grade.
Methoxy Web content: 19%– 30%.
Hydroxypropoxy Web content: 4%– 32%.
pH Value (2% option): 4.0– 8.0.
Wetness Content: Not greater than 5%.
Ash Web content: Not more than 1.5%.

Purity and Security

HPMC fulfills the needs of major pharmacopeias, including USP-NF, EP, and JP. It is also certified with FDA guidelines for food and pharmaceutical usage. Heavy metals are limited to listed below 10 ppm. The item is free from gluten, pet by-products, and genetically changed microorganisms (GMOs).

Storage and Handling

Store HPMC in an awesome, dry area far from direct sunlight and dampness. Keep containers firmly shut when not in use. Under correct storage conditions, the service life is typically 24 months. Prevent breathing of dust during handling. Usage common commercial health techniques.

Applications of Hydroxypropyl Methyl Cellulose HPMC

Applications of Hydroxypropyl Methyl Cellulose (HPMC)

Construction and Structure Products

HPMC plays a crucial role in modern-day construction. It is added to cement-based products like tile adhesives, self-leveling compounds, and plasters. The substance boosts workability and maintains water in the mix much longer. This helps cement moisturize appropriately and boosts last toughness. HPMC likewise prevents drooping on upright surfaces and makes application smoother for employees.

Pharmaceuticals

In medication, HPMC functions as a risk-free, non-toxic excipient. It is commonly made use of in tablet computers as a binder or controlled-release representative. When taken orally, it swells in the stomach and slows down medicine release. This makes sure medicine jobs over a longer time. HPMC is additionally located in eye decreases, where it acts as a lubricant to soothe completely dry eyes.

Food Industry

HPMC is authorized as a preservative under the code E464. It works as a thickener, stabilizer, and emulsifier. You can locate it in low-fat sauces, gluten-free baked goods, and plant-based meat alternatives. It assists maintain structure consistent and quits active ingredients from separating throughout storage or food preparation.

Paints and Coatings

Paint makers use HPMC to control thickness and enhance circulation. It quits pigments from working out at the end of the can. During application, it lowers splatter and assists the paint spread equally. After drying out, it adds to an uniform movie without fractures or streaks.

Personal Care Products

In hair shampoos, creams, and toothpastes, HPMC includes body and stability. It holds water well, which keeps products from drying. It also gives a smooth feel throughout usage and aids energetic components remain suspended so every dose works similarly.

Company Profile

We are the global leader in lightweight concrete and advanced engineered foam solutions. Known globally for its commitment to research, innovation, and applied expertise, we have been providing engineered foam solutions since the early 2012’s.

We can supply high-quality concrete admixture and foam concrete related products all over the world.

The company has a professional technical department and quality supervision department, a well-equipped laboratory, and equipped with advanced testing equipment and after-sales customer service center.

If you are interested, please feel free and contact us.

Payment

T/T, Western Union, Paypal, Credit Card etc.

Shipment

By air, by sea, by express, as customers request.

5 FAQs of Hydroxypropyl Methyl Cellulose HPMC

Frequently Asked Questions About Hydroxypropyl Methyl Cellulose (HPMC)

What is HPMC used for?

HPMC is a common additive in many products. It works as a thickener, binder, and water-retaining agent. You will find it in construction materials like tile adhesives and plasters. It is also used in food, pharmaceuticals, and cosmetics to improve texture and stability.

Is HPMC safe?

Yes, HPMC is safe when used as directed. Regulatory agencies such as the FDA and EFSA have approved it for use in food and medicines. It is non-toxic and does not cause irritation for most people. Always follow safety instructions on the product label.

How does HPMC work in construction products?

In construction, HPMC helps hold water in cement-based mixes. This gives workers more time to work with the material before it sets. It also improves adhesion and reduces cracking. The result is a smoother finish and stronger bond.

Can HPMC be used in food?

Yes, food-grade HPMC is used in many processed foods. It acts as an emulsifier, stabilizer, or thickener. You might see it in sauces, ice cream, or gluten-free baked goods. Only HPMC labeled as food-grade should be used in edible products.

How should HPMC be stored?

Store HPMC in a cool, dry place away from moisture. Keep the container tightly closed when not in use. Exposure to humidity can cause clumping or loss of performance. Use it within the shelf life stated by the manufacturer for best results.