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)– Product Specs

Chemical Identity

Chemical Name: Hydroxypropyl Methyl Cellulose
CAS Number: 9004-65-3
Molecular Formula: C₈H₁₅O₈— [C₆H₇O₂( OCH₃)_x( OCH₂CHOHCH₃)_y( OH)_{3 − x − y}] n

Physical Features

HPMC appears as a white to off-white, free-flowing powder. It has no recognizable odor. The material is non-ionic and develops clear, anemic services in cold water. It does not liquify in hot water, alcohol, ether, or many organic solvents. When mixed with cool water, it swells and progressively liquifies to produce a thick colloid.

Trick Efficiency Parameters

Thickness (2% service at 20 ° C): Varies from 5 mPa · s to 100,000 mPa · s, relying on grade
Methoxy Material: 19%– 30%.
Hydroxypropyl Web content: 4%– 32%.
pH Worth (2% option): 4.0– 8.0.
Moisture Web content: ≤ 5.0%.
Ash Material: ≤ 1.5%.
Gel Temperature: 50 ° C– 90 ° C( differs by replacement level).

Purity and Safety

HPMC meets the demands of significant pharmacopeias, including USP-NF, EP, and JP. It is additionally compliant with FDA policies for food and pharmaceutical use. Heavy metals are restricted to ≤ 20 ppm. The item is free from genetically modified microorganisms (GMO-free) and consists of no animal-derived ingredients.

Storage space and Handling

Store HPMC in an amazing, completely dry place far from direct sunshine and moisture. Maintain containers securely closed when not being used. Under correct problems, the shelf life is typically 24 months. Stay clear of inhalation of dust throughout handling. Use standard commercial health practices.

Applications of Hydroxypropyl Methyl Cellulose HPMC

Applications of Hydroxypropyl Methyl Cellulose (HPMC)

Building Products

HPMC plays an essential function in dry-mix mortar products like ceramic tile adhesives, self-leveling substances, and exterior insulation systems. It assists maintain water so cement can completely hydrate. This enhances workability and avoids cracks. Home builders additionally rely upon HPMC for better attachment and longer open time during application.

Pharmaceuticals

In medication, HPMC is commonly utilized as a binder, finish representative, and controlled-release matrix in tablets. It dissolves gradually in the digestive system tract, which permits medicines to be launched in time. This makes sure stable drug degrees in the body. HPMC is safe, non-toxic, and approved by significant health authorities worldwide.

Food Market

HPMC acts as a thickener, stabilizer, and emulsifier in numerous food products. You’ll find it in sauces, milk options, and gluten-free baked goods. It offers foods a smooth structure and assists ingredients stay combined. Since it’s plant-based and heat-stable, it works well in both cold and hot processes.

Cosmetics and Personal Treatment

Lots of lotions, shampoos, and lotions consist of HPMC. It adds viscosity and creates a silky feeling without greasiness. HPMC also aids put on hold fragments equally, so products do not separate in the bottle. Its film-forming capability makes it useful in hair gels and makeup for lasting hold.

Paints and Coatings

In water-based paints, HPMC enhances consistency and brushability. It quits pigments from clearing up and minimizes splatter throughout usage. Paint dries out uniformly with less touches thanks to HPMC’s water-retaining power. Professionals and do it yourself customers both benefit from its efficiency.

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.

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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 film-former. You will find it in construction materials like tile adhesives and plasters. It is also used in pharmaceuticals to help control how pills release medicine. In food, HPMC acts as a stabilizer or emulsifier.

Is HPMC safe?

Yes, HPMC is considered safe. Regulatory bodies like the FDA and EFSA have approved it for use in food and medicine. It does not get absorbed by the body. Instead, it passes through the digestive system unchanged. This makes it non-toxic and suitable for most people.

How does HPMC work in building materials?

In construction products, HPMC improves workability and water retention. This helps cement-based mixes stay moist longer. As a result, the material sets more evenly and bonds better. It also reduces sagging when applied to vertical surfaces.

Can HPMC dissolve in cold water?

Yes, but it needs the right method. If you add HPMC directly to cold water, it may form lumps. The best way is to mix it with hot water first—around 70–90°C—then cool it down. During cooling, it dissolves fully and forms a clear, viscous solution.

Does HPMC affect product shelf life?

HPMC itself is stable and does not spoil. However, in water-based products, microbes can grow over time. To prevent this, manufacturers often add preservatives. When stored properly in dry, cool conditions, HPMC powder can last for years without losing performance.