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 |
|---|---|
| Nome do produto | Hidroxipropilmetilcelulose |
| Abbreviation | HPMC |
| CAS No. | 9004-65-3 |
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| Aparência | Pó branco a esbranquiçado |
| Ionic Type | Não-iónico |
| Molecular Basis | Cellulose ether (modified natural cellulose) |
| Raw Material Source | Wood pulp or cotton linter |
| Solubilidade | Soluble in cold water; insoluble in hot water above gelation temperature; forms viscous solution |
| Gelificação térmica | Gels upon heating; re-dissolves upon cooling (thermally reversible) |
| Viscosity Range | Multiple grades: low / medium / high / extra-high viscosity |
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| Estabilidade do pH | cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits |
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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.
| Aplicação | Recommended Grade Direction | Principais requisitos de desempenho |
|---|---|---|
| Adesivo para azulejos | High to extra-high viscosity | Water retention, open time, anti-slip, troweling feel |
| Massa de vidraceiro para paredes / revestimento de acabamento | Medium to high viscosity | Smooth scraping, water retention, surface finish |
| Reboco de cimento / estuque | Medium to high viscosity | Trabalhabilidade, espalhabilidade, retenção de água |
| Reboco de gesso | Medium to high viscosity | Aplicação suave, gestão de água, consistência |
| Compostos de auto-nivelamento | Low to medium viscosity | Flow control, stability, controlled water retention |
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| Argamassa impermeável | Medium to high viscosity | cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits |
| Argamassa de alvenaria | Medium to high viscosity | cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits |
| Argamassa de Reparo | Medium to high viscosity | cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits |
| Detergente Líquido | cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits | cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits |
| Cuidados pessoais | Low to medium viscosity | cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits |
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| Cerâmica | Medium to high viscosity | cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits |
| Revestimentos à Base de Água | Low to medium viscosity | cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits |
| cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits | Medium to high viscosity | cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits |
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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.
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|---|---|
| Adesivo para azulejos | 0.2% – 0.5% |
| Massa de vidraceiro para paredes / revestimento de acabamento | 0.2% – 0.5% |
| Reboco de cimento / estuque | 0.15% – 0.4% |
| Reboco de gesso | 0.1% – 0.3% |
| Argamassa de alvenaria | 0.1% – 0.3% |
| Compostos de auto-nivelamento | 0.05% – 0.2% |
| Argamassa para EIFS / ETICS | 0.2% – 0.5% |
| Argamassa impermeável | 0.15% – 0.4% |
| Argamassa de Reparo | 0.15% – 0.4% |
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| 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.
Cuidados Domésticos & Detergentes
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.
Aplicações Típicas
Cuidados pessoais
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.
Aplicações Típicas
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Aplicações Típicas
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Aplicações Típicas
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.
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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.
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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.
Solicitar Documentos do ProdutoTo 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.
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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.
