Introduction to Hydroxypropyl Methyl Cellulose HPMC Industrial Grade

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 Industrial Grade

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 Industrial Grade

Specifications of Hydroxypropyl Methyl Cellulose (HPMC)– Industrial Quality

Look and Physical Form

HPMC appears as a white to beige, free-flowing powder. It has no visible smell and liquifies easily in cool water to create a clear, thick option. The powder does not glob under regular storage space conditions.

Chemical Composition

This industrial-grade HPMC is a semi-synthetic polymer originated from cellulose. It has methoxy (– OCH FOUR) and hydroxypropoxy (– OCH ₂ CHOHCH FOUR) functional groups. Common substitution levels are 19– 30% methoxy and 4– 12% hydroxypropoxy. These worths ensure consistent performance throughout different applications.

Thickness Range

Viscosity varies based upon product grade. Common options consist of 400 mPa · s, 4,000 mPa · s, 15,000 mPa · s, and 60,000 mPa · s, all measured at 2% focus in water at 20 ° C. Greater thickness qualities supply more powerful thickening and film-forming residential properties.

Purity and Impurities

The product fulfills rigorous pureness criteria. Ash web content stays listed below 5%. Heavy steels like lead and arsenic are kept under 10 ppm. Residual moisture remains in between 4% and 8%, which assists keep security throughout storage space and handling.

pH and Solubility

A 2% liquid option generally reveals a pH between 6.0 and 8.0. HPMC dissolves easily in cold water but does not dissolve in warm water over 70 ° C or in a lot of natural solvents. This actions sustains its use in controlled-release and temperature-sensitive systems.

Product packaging and Storage

HPMC is packed in multi-layer paper bags with an internal polyethylene liner. Each bag holds 20 kg or 25 kg. Store in a great, completely dry area away from straight sunshine and dampness. Keep containers sealed when not being used to avoid caking or loss of flowability. Proper storage ensures the item stays reliable for up to 24 months.

Applications of Hydroxypropyl Methyl Cellulose HPMC Industrial Grade

Applications of Hydroxypropyl Methyl Cellulose (HPMC)– Industrial Grade

Building and Building Products

Industrial-grade HPMC plays a key function in building items. It is included in cement-based mortars, ceramic tile adhesives, and self-leveling substances. The substance boosts workability, water retention, and open time. This assists workers apply materials smoothly and uniformly. Better water retention also sustains appropriate concrete hydration, which leads to more powerful last frameworks.

Paints and Coatings

In water-based paints, HPMC functions as a thickener and stabilizer. It prevents pigments from settling and makes sure consistent structure throughout application. The additive also reduces splattering and enhances brush or roller circulation. These qualities help achieve uniform insurance coverage with less coats.

Adhesives and Sealants

HPMC improves the efficiency of industrial adhesives. It boosts thickness without impacting bond stamina. The product additionally regulates drying rate, giving customers more time to position components correctly. In sealers, it enhances communication and minimizes drooping on vertical surface areas.

Cleaning Agents and Cleansing Products

Many heavy-duty cleansers utilize HPMC to put on hold strong fragments and maintain product security. It keeps rough active ingredients equally dispersed, which improves cleansing performance. The compound likewise includes body to fluid solutions, making them less complicated to handle and use.

Farming and Pesticides

In agrochemical formulas, HPMC works as a binder and film-forming agent. It assists energetic ingredients adhere to grow surfaces longer, enhancing efficiency. The polymer likewise decreases drift throughout spraying and sustains regulated release of chemicals over time.

Various Other Industrial Utilizes

HPMC finds use in ceramics, textiles, and oil exploration liquids. In ceramics, it enhances environment-friendly toughness before shooting. In fabrics, it works as a sizing agent. In exploration procedures, it aids regulate fluid thickness and lugs cuttings to the surface area. Its versatility makes it a dependable choice across many markets.

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 Industrial Grade

Frequently Asked Questions About Industrial Grade HPMC

What is HPMC used for in industrial applications?

Hydroxypropyl Methyl Cellulose (HPMC) is a water-soluble polymer. It works well as a thickener, binder, and film-former. In construction, it helps improve workability and water retention in cement-based products like tile adhesives and renders. In paints and coatings, it controls viscosity and prevents sagging. It also stabilizes formulations in many other industrial processes.

Is industrial grade HPMC safe to handle?

Yes. Industrial grade HPMC is non-toxic and not classified as hazardous. It does not irritate skin or eyes under normal use. Still, wear basic protective gear like gloves and safety glasses when handling large quantities. Avoid breathing fine dust during mixing. Store it in a dry, cool place away from moisture.

How do I dissolve HPMC properly?

HPMC dissolves best in cold water. Add it slowly while stirring to prevent clumping. You can also mix it with other dry powders first, then add water. Hot water causes it to gel too fast and form lumps. Let the mixture stand after mixing—it will fully hydrate in 15 to 60 minutes, depending on the grade.

Does HPMC work in high-temperature environments?

HPMC gels when heated. The exact temperature depends on the product type, usually between 50°C and 90°C. This property is useful in some applications but may limit use in very hot conditions. Choose the right grade based on your process temperature to avoid performance issues.

Can HPMC be mixed with other additives?

Yes. HPMC works well with most common industrial additives like plasticizers, dispersants, and preservatives. Always test small batches first. Some salts or strong acids may reduce its effectiveness. Check compatibility before full-scale use.