Definicija, kemija in industrijska vloga — popoln priročnik za formulacijske strokovnjake v gradbeništvu, farmaciji, živilstvu, osebni negi in industrijskih sektorjih.
HPMC je vodotopen, neionski celulozni eter, proizveden s kemično modifikacijo naravne celuloze, pridobljene iz lesne celuloze ali bombažnih vlaken. Zagotavlja več funkcionalnih koristi – zadrževanje vode, zgoščevanje, tvorjenje filma, vezanje in izboljšanje obdelovalnosti – v eni sami vsestranski sestavini.
HPMC se proizvaja z reakcijo prečiščene celuloze z metil kloridom in propilen oksidom pod nadzorovanimi alkalnimi pogoji. Ta postopek uvede dve vrsti substituentnih skupin na celulozno ogrodje, pri čemer vsaka na različne načine vpliva na profil delovanja končnega izdelka.
Nadzorujejo topnost, termično geliranje in površinsko aktivnost celuloznega etra.
Vplivajo na sposobnost zadrževanja vode, razvoj viskoznosti in združljivost z drugimi sestavinami.
Kombinacija in razmerje teh dveh substituentov – izražena kot stopnja metilne substitucije (DS) in molska substitucija hidroksipropila (MS) – določata profil delovanja razreda. Viskoznost, izmerjena v 2% vodni raztopini z uporabo Brookfield ali Ubbelohde metod, je najpogosteje omenjen parameter za izbiro razreda, ki se giblje od pod 100 mPa·s do nad 200.000 mPa·s, odvisno od razreda.
HPMC je neionski – združljiv s širokim naborom dodatkov, površinsko aktivnih snovi, soli in pH pogojev. Je tudi biorazgradljiv, brez vonja, brez okusa in brez surovin živalskega izvora, zaradi česar je primeren za regulirane in občutljive aplikacije, od suhih malt do farmacevtskih pomožnih snovi in prehrambenih sistemov.
Naslednja tabela zagotavlja splošno tehnično referenco za hidroksipropil metil celulozo. Natančne vrednosti se razlikujejo glede na razred izdelka, stopnjo viskoznosti, vrsto substitucije, velikost delcev, površinsko obdelavo in metodo testiranja. Te informacije so namenjene kot izhodišče za referenco pri formulaciji, ne kot končna specifikacija izdelka.
| Postavka | Tipična referenca |
|---|---|
| Ime izdelka | Hidroksipropil metil celuloza |
| Okrajšava | HPMC |
| Št. CAS | 9004-65-3 |
| Koda živilskega dodatka | E464 |
| Videz | Beli do skoraj beli prah |
| Ionski tip | Neionski |
| Molekularna osnova | Celulozni eter (modificirana naravna celuloza) |
| Vir surovine | Lesna celuloza ali bombažni linter |
| Topnost | Topen v hladni vodi; netopen v vroči vodi nad temperaturo geliranja; tvori viskozno raztopino |
| Toplotno geliranje | Gelira pri segrevanju; se ponovno raztopi pri ohlajanju (termično reverzibilno) |
| Razpon viskoznosti | Več razredov: nizka / srednja / visoka / zelo visoka viskoznost |
| Merjenje viskoznosti | Običajno v 2% vodni raztopini (Brookfield ali Ubbelohde) |
| Površinska obdelava | Obdelane (zakasnjena hidracija) ali neobdelane možnosti na voljo |
| pH stabilnost | Stabilen v območju približno pH 3–11 |
| Ionska združljivost | Združljiv z neionskimi, anionskimi in številnimi kationskimi sistemi |
| Ključne funkcije | Zgoščevanje, zadrževanje vode, tvorjenje filma, vezanje, obdelovalnost, stabilizacija |
| Aplikacijski sistemi | Drymix, tekočina, poltrdno, farmacevtsko, živilsko, industrijsko |
| Razpoložljivi dokumenti | TDS, SDS, COA, priporočilo izdelka na voljo na zahtevo |
Pomembno: Ta tabela je le splošna referenca. Za natančne vrednosti viskoznosti, pH, vsebnosti vlage, vsebnosti pepela, porazdelitve velikosti delcev, vsebnosti metoksila, vsebnosti hidroksipropoksila in vrednosti, specifičnih za posamezni razred, prosimo, zahtevajte uradni TDS ali COA od LANDERCOLL.
LANDERCOLL HPMC je na voljo v več stopnjah glede na viskoznost, površinsko obdelavo, obnašanje pri raztapljanju in ciljno uporabo. Spodnje informacije so namenjene kot referenca za izbiro izdelka. Končno izbiro stopnje je treba vedno potrditi s testiranjem formulacije in neposrednim tehničnim pogovorom z našo ekipo.
Zakasnjena hidracija — lažja disperzija, manj grudic, nadzorovano raztapljanje. Prednostno za sisteme suhih mešanic.
Hitrejši razvoj viskoznosti — hitra hidracija, primerno za hitrotopne formulacije in formulacije z neposredno hidracijo.
Opomba: Zgoraj navedeni razponi viskoznosti so približne reference. Dejanske stopnje LANDERCOLL HPMC je treba izbrati glede na vašo formulacijo, metodo testiranja, okolje uporabe in zahtevano dokumentacijo. Za priporočila glede specifičnih stopenj se obrnite na našo ekipo.
HPMC je večnamenski celulozni eter. V večini aplikacij hkrati prispeva več kot eno funkcionalno korist. Spodaj je strukturiran pregled njegovih glavnih funkcij v različnih vrstah sistemov.
V cementnih in mavčnih sistemih HPMC tvori polimerno mrežo, ki fizično omejuje migracijo vode. Višje viskoznostne stopnje in višji odmerki zagotavljajo močnejše zadrževanje vode – preprečujejo hitro izgubo vode, nepopolno hidratacijo in površinsko razpokanje.
HPMC se v hladni vodi raztopi v viskozno, psevdoplastično (strižno redčilno) raztopino. Viskoznost se med mešanjem pod strižnimi silami zmanjša in v mirovanju obnovi – kar podpira tako obdelovalnost kot stabilnost na mestu uporabe v suhih maltah, detergentih, izdelkih za osebno nego in premazih.
V suhih gradbenih mešanicah HPMC naredi malto bolj gladko, bolj kohezivno in lažjo za nanašanje, glajenje, strganje in obdelavo. To je kombiniran rezultat zadrževanja vode, povečanja viskoznosti in mazalnih učinkov – še posebej cenjeno pri lepilih za ploščice, kitih za stene in mavčnih ometih.
Podpira nadzor pretoka, odpornost proti povešanju, izravnalno vedenje in stabilnost aplikacije. Preprečuje drsenje malte na navpičnih površinah, prispeva k nadzorovanemu pretoku v samorazlivnih masah ter ohranja stabilno viskoznost v premazih in detergentih.
HPMC po izhlapevanju vode tvori neprekinjen, prožen film — uporablja se v farmacevtskem oblaganju tablet, sistemih užitnih filmov, celovitosti gradbenih površin in izbranih vodnih premazih kot vezivna komponenta.
Podpira strukturno celovitost pri izdelavi tablet, zeleno trdnost v keramiki in kohezijo v suhih maltah. Prav tako pomaga ohranjati enakomerno suspenzijo pigmentov, polnil, mineralnih prahov in aktivnih sestavin v premazih, detergentih in farmacevtskih sistemih.
Izbira stopnje HPMC naj se vedno začne z uporabo. Stopnja, optimizirana za lepilo za ploščice, ne bo nujno dobro delovala v detergentu, izdelkih za osebno nego ali farmacevtskem sistemu. Spodnja tabela ponuja strukturiran referenčni okvir za običajno ujemanje uporabe s stopnjo.
| Aplikacija | Priporočena smer glede na razred | Glavne zahteve glede učinkovitosti |
|---|---|---|
| Lepilo za ploščice | Visoka do zelo visoka viskoznost | Zadrževanje vode, odprti čas, protizdrsnost, občutek pri gladilki |
| Stenski kit / Skim Coat | Srednja do visoka viskoznost | Gladko nanašanje, zadrževanje vode, končna obdelava površine |
| Cementni omet / omet | Srednja do visoka viskoznost | Obdelovalnost, raztegljivost, zadrževanje vode |
| Mavčni omet | Srednja do visoka viskoznost | Gladko nanašanje, upravljanje z vodo, doslednost |
| Samonivelirne spojine | Nizka do srednja viskoznost | Nadzor pretoka, stabilnost, nadzorovano zadrževanje vode |
| EIFS / ETICS Malta | Visoka viskoznost | Open time, anti-sag, adhesion-related support |
| Vodoodporna malta | Srednja do visoka viskoznost | Workability, uniform coating, stable consistency |
| Zidarska malta | Srednja do visoka viskoznost | Water retention, workability, bond support |
| Popravilo malte | Srednja do visoka viskoznost | Adhesion, workability, water retention |
| Tekuče sredstvo za pomivanje | Srednja viskoznost | Texture, viscosity, storage stability |
| Osebna nega | Nizka do srednja viskoznost | 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 |
| Keramika | Srednja do visoka viskoznost | Binding, green strength, suspension |
| Vodotopne premaze | Nizka do srednja viskoznost | Thickening, film formation, particle suspension |
| Industrial Adhesives | Srednja do visoka viskoznost | 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.
| Aplikacija | Typical Reference Dosage (% by weight) |
|---|---|
| Lepilo za ploščice | 0.2% – 0.5% |
| Stenski kit / Skim Coat | 0.2% – 0.5% |
| Cementni omet / omet | 0.15% – 0.4% |
| Mavčni omet | 0.1% – 0.3% |
| Zidarska malta | 0.1% – 0.3% |
| Samonivelirne spojine | 0.05% – 0.2% |
| EIFS / ETICS Malta | 0.2% – 0.5% |
| Vodoodporna malta | 0.15% – 0.4% |
| Popravilo malte | 0.15% – 0.4% |
| Tekuče sredstvo za pomivanje | 0.2% – 1.0% |
| Osebna nega | 0.1% – 1.0% |
| Vodotopne premaze | 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.
Nega doma in detergenti
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.
Tipične uporabe
Osebna nega
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.
Tipične uporabe
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.
Tipične uporabe
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.
Tipične uporabe
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.
Standardna embalaža
Priporočila za shranjevanje
LANDERCOLL can provide product-related documentation to support formulation evaluation, purchasing review, technical communication, regulatory submission, and internal approval processes.
Razpoložljivi dokumenti
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.
Zahtevajte dokumente izdelkaTo 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.
