Introduction to hydroxypropyl methyl cellulose HPMC 400 4000 6000 40000 60000 80000 100000 150000 200000

Hydroxypropyl Methylcellulose (HPMC), y mae ei enw Tsieineaidd yn hydroxypropyl methylcellulose, yn lled-synthetig, ether cellwlos nad yw'n ïonig a geir trwy addasu cellwlos naturiol yn gemegol. Gall y powdr gwyn hwn ffurfio hydoddiant gludiog tryloyw ar ôl hydoddi mewn dŵr. Mae ganddo dewychu rhagorol, cadw dŵr, sefydlogrwydd ac eiddo ffurfio ffilm. Mae'n ychwanegyn amlswyddogaethol anhepgor mewn llawer o feysydd megis adeiladu, meddygaeth, a bwyd.

Characteristics and advantages of hydroxypropyl methyl cellulose HPMC 400 4000 6000 40000 60000 80000 100000 150000 200000

Hydoddedd dŵr ardderchog: Gellir ei doddi'n gyflym mewn dŵr oer i ffurfio datrysiad clir a sefydlog.

Tewychu effeithlon a gallu cadw dŵr: Cynyddu gludedd y deunydd, lleihau anweddiad dŵr yn effeithiol, a gwella effeithlonrwydd gwaith.

Sefydlogrwydd da: Mae ganddo sefydlogrwydd da i asidau, alcalis, a halwynau, ac mae'n addas ar gyfer ystod eang o werthoedd pH.

Ffurfio ffilm ac effeithiau amddiffynnol: Ar ôl sychu, mae'n ffurfio ffilm galed a thryloyw i amddiffyn y swbstrad ac atal treiddiad ac anweddiad dŵr.

Heb fod yn wenwynig ac nad yw'n cythruddo: Mae ganddo fiocompatibility da ac mae'n addas ar gyfer meysydd meddygaeth a bwyd.

Addasrwydd: Trwy newid graddau'r amnewid a phwysau moleciwlaidd, gellir addasu ei berfformiad i fodloni gofynion cais gwahanol.

Specification of hydroxypropyl methyl cellulose HPMC 400 4000 6000 40000 60000 80000 100000 150000 200000

Cellwlos Methyl Hydroxypropyl (HPMC)– Manylebau Eitem

Crynodeb

Hydroxypropyl methyl cellwlos (HPMC) yn wyn i off-wyn, odor-free powder. It liquifies quickly in cool water and develops a clear, opsiwn trwchus. This product is widely utilized in building, cyffuriau, bwyd, and personal treatment due to its superb thickening, rhwymol, and film-forming residential or commercial properties.

Graddau Gludedd

HPMC is available in several thickness qualities. Each quality is called after its approximate viscosity in millipascal-seconds (mPa·s) yn 2% focus and 20 °C. Common grades consist of:
HPMC 400, HPMC 4000, HPMC 6000, HPMC 40000, HPMC 60000, HPMC 80000, HPMC 100000, HPMC 150000, a HPMC 200000.

Lower-viscosity grades like HPMC 400 a 4000 work well as binders or in applications needing fast dissolution. Tool grades such as HPMC 6000 i 60000 deal balanced performance for ceramic tile adhesives, plastrau, and coatings. High-viscosity types like HPMC 80000 i 200000 offer strong water retention and are suitable for self-leveling substances and high-performance mortars.

Rhinweddau Trick

All HPMC grades are non-ionic and steady throughout a wide pH array (3– 11). They stand up to microbial attack and do not interact with many salts or surfactants. The gel temperature level generally falls in between 50 °C a 90 °C, depending upon the methoxyl and hydroxypropyl web content.

Gofod storio a Thrin

Storio HPMC mewn awesome, lle hollol sych i ffwrdd o leithder. Keep containers firmly closed. Avoid long term direct exposure to humid air to avoid clumping. Usage standard industrial health methods when handling the powder to limit dirt inhalation.

Applications of hydroxypropyl methyl cellulose HPMC 400 4000 6000 40000 60000 80000 100000 150000 200000

Cymwysiadau Hydroxypropyl Methyl Cellulose (HPMC)

Adeiladu a Deunyddiau Adeiladu

HPMC is extensively made use of in cement-based items like tile adhesives, yn darparu, a chyfansoddion hunan-lefelu. Grades such as HPMC 400 a HPMC 6000 enhance workability and water retention. This aids seal moisturize appropriately and minimizes fracturing. Higher-viscosity kinds like HPMC 100000 neu HPMC 200000 include thickness and prevent drooping on vertical surfaces.

Cyffuriau

Mewn meddyginiaeth, HPMC 4000 a HPMC 6000 act as binders or film-coating agents for tablet computers. They manage just how fast a medication dissolves in the body. These grades are safe, diwenwyn, and satisfy rigorous high quality requirements. Some high-viscosity variations also work as eye decrease thickeners to alleviate dryness.

Diwydiant Bwyd

Gradd bwyd HPMC, yn gyffredin HPMC 4000 neu HPMC 150000, functions as a thickener, sefydlogwr, or emulsifier. Mae'n cadw sawsiau'n llyfn, stops ice crystals in frozen desserts, and boosts texture in gluten-free baked goods. It is approved for usage in lots of countries and identified as E464.

Paent a Haenau

Paint makers make use of HPMC 80000 a HPMC 100000 to boost viscosity and stop pigment settling. These grades assist repaint spread equally and stick better to walls. They likewise decrease splatter during application and boost storage space security.

Amryw Ddefnyddiau Eraill

HPMC appears in cosmetics, cerameg, and agricultural chemicals too. Mewn golchdrwythau, it gives a smooth feel. Mewn lusters ceramig, it holds bits with each other prior to shooting. Low-viscosity grades like HPMC 400 match liquid systems, while ultra-high types like HPMC 200000 support gels or pastes. Each quality provides specific performance based upon its molecular weight and alternative level.

Cyflwyniad Cwmni

Croeso i Concrit a Mwy, darparwr blaenllaw o admixtures concrit perfformiad uchel, gan gynnwys ein gostyngwyr dŵr concrit premiwm. Gyda blynyddoedd o brofiad yn y farchnad fyd-eang, rydym yn cynnig atebion datblygedig sydd wedi'u cynllunio i wella ansawdd ac effeithlonrwydd prosiectau adeiladu ledled y byd. Mae ein cyfleusterau gweithgynhyrchu o'r radd flaenaf yn sicrhau cynhyrchion o'r ansawdd uchaf sy'n bodloni safonau rhyngwladol. Rydym yn ymfalchïo mewn gwasanaeth cwsmeriaid eithriadol, cymorth technegol, ac atebion wedi'u teilwra i ddiwallu anghenion prosiect penodol. Partner gyda ni am ddibynadwy, arloesol, a chymysgeddau concrit cost-effeithiol sy'n gyrru'ch prosiectau ymlaen. Archwiliwch fwy yn www.concreteandmore.de/. Gadewch i ni adeiladu'r dyfodol gyda'n gilydd!

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5 FAQs of hydroxypropyl methyl cellulose HPMC 400 4000 6000 40000 60000 80000 100000 150000 200000

Frequently Asked Questions About HPMC Grades

What is HPMC and why are there so many numbers like 400, 4000, neu 100000?

HPMC stands for hydroxypropyl methyl cellulose. It is a common additive used in construction, bwyd, and pharmaceuticals. The numbers (400, 4000, 6000, etc.) show the viscosity of the product in millipascal-seconds (mPa·s). A low number like 400 means thin and fast-dissolving. A high number like 200000 means thick and slow-moving when mixed with water.

Which HPMC grade should I use for tile adhesives?

Ar gyfer gludyddion teils, medium to high viscosity grades work best. Choose HPMC 40000, 60000, neu 80000. These help keep the mix sticky and prevent tiles from sliding. They also improve water retention so cement can cure properly.

Can I use HPMC 400 in food products?

Oes. HPMC 400 has very low viscosity and dissolves quickly in cold water. It is often used as a thickener or stabilizer in sauces, dewisiadau llaeth amgen, a nwyddau pobi. Always confirm the product meets food-grade safety standards before use.

Why does my plaster crack when I use HPMC 150000?

HPMC 150000 is very thick. Os ydych chi'n ychwanegu gormod, it can trap air or reduce workability. This may cause drying cracks. Use the right dosage—usually 0.2% i 0.4% of total dry weight—and mix thoroughly with other ingredients.

How do I store HPMC powder safely?

Cadwch HPMC mewn oerfel, lle sych. Seliwch y bag yn dynn ar ôl ei agor. Mae lleithder yn ei gwneud yn glwmp neu'n colli perfformiad. Osgoi golau haul uniongyrchol a lleithder uchel. Wedi'i storio'n iawn, mae'n aros yn effeithiol hyd at 12 misoedd.