Introduction to Hydroxypropyl Methyl Cellulose HPMC

Hydroxypropyl Methylcellulose (HPMC), nws lub npe Suav yog hydroxypropyl methylcellulose, yog semi-synthetic, non-ionic cellulose ether tau los ntawm chemically modifying natural cellulose. Cov hmoov dawb no tuaj yeem tsim cov kua nplaum pob tshab tom qab yaj hauv dej. Nws muaj cov thickening zoo heev, tuav dej, stability thiab film-forming zog. Nws yog ib qho indispensable multifunctional additive nyob rau hauv ntau lub teb xws li kev tsim kho.

Characteristics and advantages of Hydroxypropyl Methyl Cellulose HPMC

Solubility dej zoo heev: Nws tuaj yeem yaj sai sai hauv dej txias kom tsim tau cov tshuaj ntshiab thiab ruaj khov.

Ua kom tuab tuab thiab muaj peev xwm tuav dej: Ua kom cov viscosity ntawm cov khoom, zoo txo ​​cov dej evaporation, thiab txhim kho kev ua haujlwm zoo.

Zoo stability: Nws muaj kev ruaj ntseg zoo rau acids, alkalis, thiab ntsev, thiab yog haum rau ntau yam ntawm cov nqi pH.

Zaj duab xis-tsim thiab tiv thaiv teebmeem: Tom qab ziab, nws tsim ib zaj duab xis tawv thiab pob tshab los tiv thaiv substrate thiab tiv thaiv dej nkag thiab evaporation.

Non-toxic thiab non-irritating: Nws muaj biocompatibility zoo thiab tsim nyog rau thaj chaw tshuaj thiab zaub mov.

Kho tau: Los ntawm kev hloov cov degree ntawm kev hloov pauv thiab qhov hnyav molecular, nws qhov kev ua tau zoo tuaj yeem hloov kho kom tau raws li qhov kev thov sib txawv.

Specifications of Hydroxypropyl Methyl Cellulose HPMC

Hydroxypropyl Methyl Cellulose (HPMC)– Khoom Specs

Chemical Identity

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

Lub cev nta

HPMC zoo nkaus li dawb mus rau dawb, dawb-ntws hmoov. 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, cawv, ether, los yog ntau cov kuab tshuaj organic. When mixed with cool water, it swells and progressively liquifies to produce a thick colloid.

Trick Efficiency Parameters

Thickness (2% kev pabcuam ntawm 20 ° C): Nws txawv ntawm 5 mPa · s to 100,000 mPa · s, relying on grade
Methoxy Material: 19%– 30%.
Hydroxypropyl Web cov ntsiab lus: 4%– 32%.
pH nqi (2% kev xaiv): 4.0– 8.0.
Moisture Web content: ≤ 5.0%.
Tshauv Khoom: ≤ 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, thiab JP. It is additionally compliant with FDA policies for food and pharmaceutical use. Heavy metals are restricted to ≤ 20 ppm ua. The item is free from genetically modified microorganisms (GMO-free) and consists of no animal-derived ingredients.

Qhov chaw cia thiab tuav

Khaws HPMC hauv ib qho 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 hli. Stay clear of inhalation of dust throughout handling. Use standard commercial health practices.

Kev siv ntawm Hydroxypropyl Methyl Cellulose HPMC

Kev siv ntawm Hydroxypropyl Methyl Cellulose (HPMC)

Cov khoom siv tsev

HPMC plays an essential function in dry-mix mortar products like ceramic tile adhesives, self-leveling tshuaj, thiab sab nrauv rwb thaiv tsev. 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

Hauv tshuaj, 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 muaj kev nyab xeeb, tsis muaj tshuaj lom, and approved by significant health authorities worldwide.

Khoom noj khoom haus Market

HPMC acts as a thickener, stabilizer, and emulsifier in numerous food products. You’ll find it in sauces, mis xaiv, thiab gluten-dawb ci khoom. 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

lotions ntau, tshuaj zawv plaub hau, 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 thiab Coatings

Hauv cov xim uas muaj dej, 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.

Tuam txhab Profile

Peb yog cov thawj coj thoob ntiaj teb hauv cov pob zeb sib sib zog nqus thiab cov txheej txheem tsim ua npuas ncauj zoo heev. Paub thoob ntiaj teb rau nws txoj kev mob siab rau kev tshawb fawb, kev tsim kho tshiab, thiab siv kev txawj ntse, peb tau muab engineered ua npuas ncauj kev daws teeb meem txij li thaum ntxov 2012's.

Peb tuaj yeem muab cov khoom siv zoo tshaj plaws thiab cov khoom ua npuas ncauj ua ke thoob plaws ntiaj teb.

Lub tuam txhab muaj cov kws tshaj lij kev ua haujlwm thiab kev saib xyuas zoo, ib lub chaw kuaj mob zoo, thiab nruab nrog cov cuab yeej ntsuas qib siab thiab tom qab-muag kev pabcuam cov neeg siv khoom.

Yog koj txaus siab, thov koj xav tias dawb thiab tiv tauj peb.

Kev them nyiaj

T/T, Western Union, Paypal, Credit Card thiab lwm yam.

Kev xa khoom

Los ntawm huab cua, ntawm hiav txwv, los ntawm kev nthuav qhia, raws li cov neeg siv khoom thov.

5 FAQs of Hydroxypropyl Methyl Cellulose HPMC

Cov lus nug nquag nug txog Hydroxypropyl Methyl Cellulose (HPMC)

HPMC siv rau dab tsi?

HPMC is a common additive in many products. Nws ua hauj lwm raws li ib tug thickener, daim ntawv khi, thiab zaj duab xis-yav dhau los. Koj yuav pom nws nyob rau hauv cov ntaub ntawv siv xws li pobzeb adhesives thiab plasters. It is also used in pharmaceuticals to help control how pills release medicine. Hauv zaub mov, HPMC acts as a stabilizer or emulsifier.

Puas yog HPMC muaj kev nyab xeeb?

Yog lawm, HPMC suav hais tias muaj kev nyab xeeb. Regulatory bodies like the FDA and EFSA have approved it for use in food and medicine. It does not get absorbed by the body. Hloov chaw, 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. Raws li qhov tshwm sim, the material sets more evenly and bonds better. It also reduces sagging when applied to vertical surfaces.

Can HPMC dissolve in cold water?

Yog lawm, 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, kua nplaum.

Does HPMC affect product shelf life?

HPMC itself is stable and does not spoil. Txawm li cas los, in water-based products, microbes can grow over time. Tiv thaiv qhov no, manufacturers often add preservatives. When stored properly in dry, cool conditions, HPMC powder can last for years without losing performance.