Definition, Chemistry, and Industrial Role — a complete reference for formulators across construction, pharma, food, personal care, and industrial sectors.
HPMC is a water-soluble, non-ionic cellulose ether produced by chemically modifying natural cellulose derived from wood pulp or cotton linter. It delivers multiple functional benefits — water retention, thickening, film forming, binding, and workability improvement — within a single versatile ingredient.
HPMC is produced by reacting purified cellulose with methyl chloride and propylene oxide under controlled alkaline conditions. This process introduces two types of substituent groups onto the cellulose backbone, each influencing the final product's performance profile in different ways.
Control solubility, thermal gelation behavior, and surface activity of the cellulose ether.
Influence water retention capacity, viscosity development, and compatibility with other ingredients.
The combination and ratio of these two substituents — expressed as degree of methyl substitution (DS) and molar substitution of hydroxypropyl (MS) — determine the grade's performance profile. Viscosity, measured at 2% aqueous solution using Brookfield or Ubbelohde methods, is the most commonly referenced parameter for grade selection, ranging from below 100 mPa·s to above 200,000 mPa·s depending on the grade.
HPMC is non-ionic — compatible with a wide range of additives, surfactants, salts, and pH conditions. It is also biodegradable, odorless, tasteless, and free from animal-derived raw materials, making it suitable for regulated and sensitive applications from drymix mortar to pharmaceutical excipients and food systems.
The following table provides a general technical reference for Hydroxypropyl Methyl Cellulose. Exact values vary by product grade, viscosity level, substitution type, particle size, surface treatment, and testing method. This information is intended as a formulation reference starting point, not a final product specification.
| Item | Typical Reference |
|---|---|
| Product Name | Hydroxypropyl Methyl Cellulose |
| Abbreviation | HPMC |
| CAS No. | 9004-65-3 |
| Food Additive Code | E464 |
| Appearance | White to off-white powder |
| Ionic Type | Non-ionic |
| Molecular Basis | Cellulose ether (modified natural cellulose) |
| Raw Material Source | Wood pulp or cotton linter |
| Solubility | Soluble in cold water; insoluble in hot water above gelation temperature; forms viscous solution |
| Thermal Gelation | Gels upon heating; re-dissolves upon cooling (thermally reversible) |
| Viscosity Range | Multiple grades: low / medium / high / extra-high viscosity |
| Viscosity Measurement | Typically at 2% aqueous solution (Brookfield or Ubbelohde) |
| Surface Treatment | Treated (delayed hydration) or untreated options available |
| pH Stability | Stable across approximately pH 3–11 |
| Ionic Compatibility | Compatible with non-ionic, anionic, and many cationic systems |
| Key Functions | Thickening, water retention, film forming, binding, workability, stabilization |
| Application Systems | Drymix, liquid, semi-solid, pharmaceutical, food, industrial |
| Available Documents | TDS, SDS, COA, product recommendation available on request |
Important: This table is a general reference only. For exact viscosity, pH, moisture content, ash content, particle size distribution, methoxyl content, hydroxypropoxyl content, and grade-specific values, please request the official TDS or COA from LANDERCOLL.
LANDERCOLL HPMC is available in multiple grade directions based on viscosity level, surface treatment, dissolution behavior, and target application. The information below is designed as a product selection reference. Final grade selection should always be confirmed through formulation testing and direct technical discussion with our team.
Delayed hydration — easier dispersion, reduced lumping, controlled dissolution. Preferred for drymix systems.
Faster viscosity development — quick hydration, suitable for fast-dissolving and direct-hydration formulations.
Note: Viscosity ranges listed above are approximate references. Actual LANDERCOLL HPMC grades should be selected according to your formulation, testing method, application environment, and required documentation. Contact our team for specific grade recommendations.
HPMC is a multifunctional cellulose ether. In most applications, it contributes more than one functional benefit simultaneously. Below is a structured overview of its primary functions across different system types.
In cement-based and gypsum-based systems, HPMC forms a polymer network that physically restricts water migration. Higher viscosity grades and higher dosage levels provide stronger water retention — preventing rapid water loss, incomplete hydration, and surface cracking.
HPMC dissolves in cold water to form a viscous, pseudoplastic (shear-thinning) solution. Viscosity decreases under shear during mixing and recovers at rest — supporting both processability and in-place stability across drymix mortar, detergents, personal care, and coatings.
In drymix construction materials, HPMC makes mortar smoother, more cohesive, and easier to spread, trowel, scrape, and finish. It is a combined result of water retention, viscosity building, and lubrication effects — particularly valued in tile adhesive, wall putty, and gypsum plaster.
Supports flow control, sag resistance, leveling behavior, and application stability. Prevents mortar from sliding on vertical surfaces, contributes to controlled flow in self-leveling compounds, and maintains stable viscosity in coatings and detergents.
HPMC forms a continuous, flexible film after water evaporation — used in pharmaceutical tablet coating, edible film systems, construction surface integrity, and selected water-based coatings as a binder component.
Supports structural integrity in tablet manufacturing, green strength in ceramics, and cohesion in drymix mortar. Also helps maintain uniform suspension of pigments, fillers, mineral powders, and active ingredients in coatings, detergents, and pharmaceutical systems.
HPMC grade selection should always start from the application. A grade optimized for tile adhesive will not necessarily perform well in a detergent, personal care, or pharmaceutical system. The table below provides a structured reference for common application-to-grade matching.
| Application | Recommended Grade Direction | Main Performance Requirements |
|---|---|---|
| Tile Adhesive | High to extra-high viscosity | Water retention, open time, anti-slip, troweling feel |
| Wall Putty / Skim Coat | Medium to high viscosity | Smooth scraping, water retention, surface finish |
| Cement Render / Plaster | Medium to high viscosity | Workability, spreadability, water retention |
| Gypsum Plaster | Medium to high viscosity | Smooth application, water management, consistency |
| Self-Leveling Compounds | Low to medium viscosity | Flow control, stability, controlled water retention |
| EIFS / ETICS Mortar | High viscosity | Open time, anti-sag, adhesion-related support |
| Waterproof Mortar | Medium to high viscosity | Workability, uniform coating, stable consistency |
| Masonry Mortar | Medium to high viscosity | Water retention, workability, bond support |
| Repair Mortar | Medium to high viscosity | Adhesion, workability, water retention |
| Liquid Detergent | Medium viscosity | Texture, viscosity, storage stability |
| Personal Care | Low to medium viscosity | Smooth texture, viscosity control, stability |
| Pharmaceutical Applications | Suitable pharmaceutical grade | Film coating, binding, controlled release, excipient |
| Food Applications | Suitable food grade (E464) | Thickening, stabilization, texture control |
| Ceramics | Medium to high viscosity | Binding, green strength, suspension |
| Water-Based Coatings | Low to medium viscosity | Thickening, film formation, particle suspension |
| Industrial Adhesives | Medium to high viscosity | Binding, cohesion, process stability |
Grade direction is a starting reference. Final selection should be confirmed through laboratory testing under your specific formulation conditions, water quality, temperature range, and application method.
HPMC dosage depends on formulation design, raw material quality, target performance, ambient temperature, water quality, substrate type, and production process. The following ranges are general starting points for laboratory evaluation — not fixed usage standards.
For tile adhesive: 0.2%–0.5% is a widely referenced industry starting range. However, final dosage must be confirmed through laboratory testing and on-site performance evaluation, as substrate porosity, tile size, ambient temperature, and cement type all affect the optimal dosage.
| Application | Typical Reference Dosage (% by weight) |
|---|---|
| Tile Adhesive | 0.2% – 0.5% |
| Wall Putty / Skim Coat | 0.2% – 0.5% |
| Cement Render / Plaster | 0.15% – 0.4% |
| Gypsum Plaster | 0.1% – 0.3% |
| Masonry Mortar | 0.1% – 0.3% |
| Self-Leveling Compounds | 0.05% – 0.2% |
| EIFS / ETICS Mortar | 0.2% – 0.5% |
| Waterproof Mortar | 0.15% – 0.4% |
| Repair Mortar | 0.15% – 0.4% |
| Liquid Detergent | 0.2% – 1.0% |
| Personal Care | 0.1% – 1.0% |
| Water-Based Coatings | 0.1% – 0.8% |
| Food / Pharma / Specialty | Depends on grade, regulation, and formulation design |
These dosage ranges are general starting points. Adjust based on testing results under your specific formulation, raw materials, and application conditions.
Construction is the largest and most established application area for HPMC globally — a critical additive for water retention, workability, open time, and anti-sag performance.
In drymix mortar systems, HPMC functions simultaneously as a water-retaining agent, rheology modifier, and workability enhancer. Without HPMC, cement-based and gypsum-based mortars tend to lose water too quickly to the substrate, resulting in poor hydration, weak bond strength, surface cracking, and difficult application.
Water retention, open time extension, anti-slip behavior, and troweling feel. High to extra-high viscosity grades, 0.2%–0.5% dosage. Surface-treated grades commonly preferred.
Scraping smoothness, water retention, surface finish quality. Medium to high viscosity, 0.2%–0.5% dosage.
Controlled water retention without over-retarding set time. Smooth spreading, consistent texture, reduced surface defects. Medium to high viscosity grades.
Cement render, masonry mortar, self-leveling compounds, EIFS/ETICS, waterproof mortar, repair mortar, insulation mortar, joint fillers.
Home Care & Detergents
As a non-ionic polymer, HPMC is compatible with anionic and non-ionic surfactant systems commonly used in cleaning products. It builds smooth, stable viscosity that improves product appearance, pourability, and consumer perception — while helping maintain uniform suspension of insoluble components.
Typical Applications
Personal Care
In personal care systems, HPMC functions as a viscosity modifier, texture enhancer, and formulation stabilizer. It is water-soluble, non-ionic, and free from animal-derived raw materials — making it suitable for a wide range of rinse-off and leave-on products where smooth, consistent texture and formulation stability across temperature and storage conditions are required.
Typical Applications
Suitable pharmaceutical grades of HPMC — referred to as Hypromellose in pharmacopoeial standards — are widely used as functional excipients in solid dosage forms, film coatings, and controlled-release systems. HPMC is recognized in the USP/NF, Ph. Eur., and JP pharmacopoeias.
Only grades manufactured and tested to pharmacopoeial standards should be used. Grade selection is based on viscosity grade, substitution type, regulatory compliance, and documentation requirements.
Typical Applications
Pharmaceutical applications require suitable grade selection, pharmacopoeial compliance, and relevant documentation. Contact LANDERCOLL to discuss pharmaceutical grade availability.
Discuss Pharma GradesHydroxypropyl Methyl Cellulose is approved as a food additive under E464 in the European Union and is recognized in food regulations in many other markets. Suitable food-grade HPMC may be used as a thickener, stabilizer, emulsifier, film former, and texture modifier.
Food applications require HPMC grades meeting relevant food safety standards including purity specifications, heavy metal limits, and microbiological requirements. Compliance with the specific food regulations of the target market is required.
Typical Applications
Food applications require suitable grade selection and compliance with applicable food regulations in the target market.
Discuss Food GradesHPMC can be used in selected water-based coatings and specialty industrial systems where thickening, film formation, binding, suspension control, and process stability are required. In architectural coatings, HEC is more commonly used as the primary cellulose ether thickener; however, HPMC can be suitable in specific coating formulations and industrial systems.
Key performance benefits include viscosity control and thickening, film formation and surface integrity, binding and cohesion in ceramic and industrial systems, suspension stability for pigments and fillers, and process consistency in extrusion and forming operations.
Selected architectural and decorative systems where HPMC's film-forming or thermal gelation properties offer a formulation advantage.
Decorative and texture coatings requiring stable viscosity, film formation, and consistent application behavior.
Binding, cohesion support, and process stability in adhesive and sealant formulations.
Green body forming, extrusion, pressing — binding, green strength, and suspension support before firing.
Viscosity control and rheology management in textile printing formulations.
Film formation, binding, and surface integrity in paper coating and sizing applications.
Thickening, process control, and stability in specialty fluid formulations across various industrial sectors.
Viscosity building, suspension stability, and film formation in selected agricultural product systems.
Cellulose ethers are a family of water-soluble polymers, each with distinct chemical structures and performance profiles. LANDERCOLL supplies HPMC, HEMC/MHEC, HEC, and CMC — the four most widely used in industrial formulation. Understanding the differences helps formulators select the most appropriate product.
Versatile water retention, thickening, film forming, workability, broad application compatibility.
Construction · Pharma · Food · Personal care · Detergents · IndustrialStrong construction performance, excellent water retention, good anti-sag in drymix mortar.
Tile adhesive · Wall putty · Cement plaster · Gypsum · EIFS/ETICSExcellent rheology control in aqueous systems, strong latex compatibility for coatings.
Water-based paints · Coatings · Cleaners · Personal careThickening, binding, stabilization, texture control; cost-effective across many systems.
Food · Detergents · Ceramics · Pharma · Oilfield · PaperBoth are non-ionic cellulose ethers for drymix construction materials and can deliver similar core functions. The choice depends on specific performance targets, regional market preferences, formulation system, and cost considerations. In many markets, HEMC/MHEC is preferred for high-performance tile adhesive and plaster due to its water retention profile. HPMC remains widely used globally across a broader range of industries.
For water-based architectural coatings and latex paint systems, HEC is generally the preferred cellulose ether due to its strong compatibility with latex polymers and its well-established use in paint formulation. HPMC may be considered in specific coating systems, texture coatings, or where its film-forming or thermal gelation properties offer a formulation advantage.
Designed for drymix construction materials requiring water retention, workability improvement, open time extension, anti-sag performance, and application consistency. Surface-treated grades commonly used.
Designed for home care and cleaning systems where viscosity building, texture stability, product body, and storage stability are important. Compatible with common anionic and non-ionic surfactant systems.
Designed for personal care products where smooth texture, stable viscosity, and user-friendly application feel are required. Non-ionic and compatible with a wide range of personal care actives.
Manufactured and tested to pharmacopoeial standards (USP/NF, Ph. Eur., JP). For pharmaceutical excipient applications where binding, coating, controlled release, or film performance may be required.
Compliant with applicable food additive regulations. Designed for food systems where texture control, water management, stabilization, and formulation consistency are required.
Designed for specialty industrial systems requiring thickening, binding, suspension stability, and process control across various non-food, non-pharma applications.
LANDERCOLL HPMC is supplied in industrial packaging suitable for transportation, storage, and production handling. Cellulose ether powders are hygroscopic — proper storage conditions help maintain powder flowability, dissolution performance, and application effectiveness throughout product shelf life.
Standard Packaging
Storage Recommendations
LANDERCOLL can provide product-related documentation to support formulation evaluation, purchasing review, technical communication, regulatory submission, and internal approval processes.
Available Documents
All documentation is provided to help customers complete their internal evaluation, purchasing approval, and regulatory review processes efficiently. Contact our team to request specific documents for your application or market requirements.
Request Product DocumentsTo help our team recommend the most suitable HPMC grade for your application, please include as much of the following information as possible when contacting us. A detailed inquiry allows us to provide a more accurate grade recommendation and support your evaluation more efficiently.
Product application (e.g., tile adhesive, wall putty, shampoo, tablet coating) and formulation system type (cement-based, gypsum-based, liquid, semi-solid, other).
Current HPMC grade or reference viscosity, if available. Main performance target — e.g., water retention, open time, viscosity level, texture, stability.
Testing method or standard used, if applicable. Required quantity — sample, trial, or commercial volume.
Destination country or target market. Documentation requirements (TDS, SDS, COA, food/pharma compliance documents). Timeline for evaluation or sourcing decision.
HPMC (CAS 9004-65-3) is used as a multifunctional cellulose ether additive across many industries. Its primary functions include water retention, thickening, workability improvement, film formation, binding, and formulation stabilization. Most widely used in drymix construction materials, and also in detergents, personal care, pharmaceutical excipients, food systems (E464), coatings, ceramics, and specialty industrial applications.
In tile adhesive, HPMC improves water retention to support cement hydration, extends open time to give installers more working time, provides anti-slip behavior to prevent tiles from sliding on vertical surfaces, and improves troweling feel and application consistency. High to extra-high viscosity grades are typically used, at dosages of 0.2%–0.5% of the dry mix weight.
Tile adhesive commonly uses high to extra-high viscosity HPMC, typically in the range of 50,000–200,000 mPa·s (measured at 2% aqueous solution). The exact viscosity grade depends on the formulation type, tile size and weight, required open time, anti-slip performance target, and application conditions. Final grade selection should be confirmed through formulation testing.
The typical reference dosage for HPMC in tile adhesive is 0.2%–0.5% by weight of the dry mix. This range is widely referenced in the drymix mortar industry as a starting point. However, the optimal dosage depends on the specific formulation, cement type, filler quality, target open time, water retention requirement, and application conditions. Final dosage must be confirmed through laboratory and field testing.
In wall putty and skim coat, HPMC improves water retention to prevent rapid drying, enhances scraping smoothness and surface finish quality, improves spreading behavior and workability, and helps maintain consistent product texture during application. Medium to high viscosity grades are typically used at dosages of 0.2%–0.5%.
HPMC uses hydroxypropyl groups while HEMC uses hydroxyethyl groups on the cellulose backbone, affecting water retention profile, dissolution behavior, and performance in specific applications. Both are used in tile adhesive, wall putty, and plaster. HPMC is more widely used across multiple industries including pharma, food, and personal care, while HEMC/MHEC is particularly established in European drymix construction markets.
Yes. Hypromellose is the International Nonproprietary Name (INN) and pharmacopoeial name for HPMC. It is used in pharmaceutical and food regulatory contexts. HPMC and Hypromellose refer to the same chemical substance (CAS 9004-65-3).
Yes. HPMC is approved as a food additive under the code E464 in the European Union and is recognized in food regulations in many other markets. Food applications require suitable food-grade HPMC that meets applicable purity and safety standards, and compliance with the specific food regulations of the target market is required.
Yes. Suitable pharmaceutical grades — referred to as Hypromellose — are widely used as excipients in tablet manufacturing, film coating, controlled-release systems, HPMC capsule shells, and ophthalmic formulations. HPMC is listed in the USP/NF, Ph. Eur., and JP pharmacopoeias. Pharmaceutical applications require grades manufactured and tested to pharmacopoeial standards.
Surface-treated HPMC delays hydration when it contacts water, preventing premature lump formation and allowing the powder to disperse evenly before viscosity develops — commonly preferred in drymix mortar systems. Non-surface-treated HPMC dissolves more quickly and is preferred in systems where fast viscosity development is required.
The right HPMC grade depends on your application, required viscosity level, formulation system type (cement-based, gypsum-based, liquid, semi-solid), processing conditions, dissolution behavior requirement, and final performance targets. Contact LANDERCOLL with your application details, and our team can recommend suitable grade directions and support your formulation evaluation.
Yes. HPMC is one of the most versatile cellulose ethers, used across construction, home care, personal care, pharmaceuticals, food, coatings, ceramics, and specialty industrial sectors. Different industries require different grade selections — contact LANDERCOLL to identify the most suitable grade direction for your specific application and market.
LANDERCOLL focuses on cellulose ether products — HPMC, HEMC/MHEC, HEC, and CMC. This product focus allows us to develop deeper application knowledge and provide more relevant technical support compared to general chemical distributors.
We help customers select HPMC based on real performance requirements — water retention, viscosity level, workability, open time, texture, stability, and processing behavior — rather than simply offering a product catalog.
LANDERCOLL HPMC supports customers in construction materials, detergents, personal care, pharmaceuticals, food, coatings, ceramics, and specialty industrial sectors across multiple global markets.
We provide TDS, SDS, COA, product recommendation documents, and application guides to support your evaluation, purchasing review, and internal approval processes.
We aim to support customers from initial product inquiry through formulation testing, sourcing decisions, and long-term supply cooperation — with consistent product quality and responsive communication.
LANDERCOLL HPMC supports manufacturers across construction materials, detergents, personal care, pharmaceuticals, food, coatings, ceramics, and specialty industrial applications. Whether you are developing a new formulation, optimizing an existing product, or evaluating a new cellulose ether supplier, our team can help you identify the most suitable grade and provide the documentation and technical support you need.
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