Introduction to Hydroxypropyl Methyl Cellulose HPMC Powder Hypromellose

Hydroxypropyl Methylcellulose (HPMC), yang nama Cinanya ialah hydroxypropyl methylcellulose, adalah separa sintetik, eter selulosa bukan ionik yang diperoleh dengan mengubah suai secara kimia selulosa semula jadi. Serbuk putih ini boleh membentuk larutan likat lutsinar selepas larut dalam air. Ia mempunyai penebalan yang sangat baik, pengekalan air, kestabilan dan sifat membentuk filem. Ia adalah bahan tambahan pelbagai fungsi yang sangat diperlukan dalam banyak bidang seperti pembinaan.

Characteristics and advantages of Hydroxypropyl Methyl Cellulose HPMC Powder Hypromellose

Keterlarutan air yang sangat baik: Ia boleh cepat dibubarkan dalam air sejuk untuk membentuk penyelesaian yang jelas dan stabil.

Keupayaan penebalan dan pengekalan air yang cekap: Meningkatkan kelikatan bahan, mengurangkan penyejatan air dengan berkesan, dan meningkatkan kecekapan kerja.

Kestabilan yang baik: Ia mempunyai kestabilan yang baik terhadap asid, alkali, dan garam, dan sesuai untuk pelbagai nilai pH.

Pembentukan filem dan kesan perlindungan: Selepas kering, ia membentuk filem yang sukar dan telus untuk melindungi substrat dan menghalang penembusan air dan penyejatan.

Tidak toksik dan tidak merengsa: Ia mempunyai biokompatibiliti yang baik dan sesuai untuk bidang perubatan dan makanan.

Kebolehlarasan: Dengan menukar tahap penggantian dan berat molekul, prestasinya boleh diselaraskan untuk memenuhi keperluan aplikasi yang berbeza.

Specifications of Hydroxypropyl Methyl Cellulose HPMC Powder Hypromellose

Hydroxypropyl Methyl Cellulose (HPMC) serbuk– Spesifikasi Item

Basic Info

Nama Kimia: Hydroxypropyl Methyl Cellulose (HPMC), also called Hypromellose
Nombor CAS: 9004-65-3
Average Molecular Weight: Varies by quality, umumnya di antara 10,000 dan 1,500,000 g/mol
Penampilan: Putih kepada putih pudar, serbuk yang mengalir bebas
Bau: Tidak berbau

Physical and Chemical Residences

HPMC liquifies quickly in cold water however does not dissolve in hot water over its gelation temperature. Ia membentuk yang jelas, viscous solution when combined with cool water. The powder is secure under typical storage space problems and shows no substantial adjustment in efficiency over time if kept completely dry.

The viscosity of HPMC remedies depends upon the concentration, molecular weight, and temperature level. Typical viscosity qualities range from 5 mPa · s kepada 100,000 mPa · s pada 2% penumpuan dan 20 ° C.

Pureness and High Quality Criteria

Kerugian pada Pengeringan: Tidak lebih besar daripada 5.0%.
pH (2% perkhidmatan): 4.0– 8.0.
Residue on Ignition: Tidak lebih besar daripada 1.5%.
Hefty Metals: Kurang daripada 10 ppm.
Microbial Limitations: Fulfills pharmacopeial criteria (cth., USP/NF, EP, or JP) for complete cardiovascular count and lack of defined virus.

Aplikasi

This item is commonly used in pharmaceuticals as a binder, filem sebelumnya, or controlled-release representative in tablet computers. Dalam pembinaan, it acts as a water retention representative and thickener in cement-based products like tile adhesives and provides. It is likewise used in food as a stabilizer and in cosmetics as a thickening or emulsifying agent.

Ruang penyimpanan dan Pengendalian

Simpan dalam sejuk, dry area in snugly closed containers. Avoid wetness and straight sunlight. Usage common industrial hygiene methods when dealing with. Jauhi penyedutan kotoran.

Applications of Hydroxypropyl Methyl Cellulose HPMC Powder Hypromellose

Aplikasi Hydroxypropyl Methyl Cellulose (HPMC) serbuk

Bangunan Dan Pembinaan dan Bahan Binaan

Serbuk HPMC plays a crucial duty in construction products. It is contributed to cement-based materials like floor tile adhesives, memaparkan, dan bahan meratakan sendiri. Serbuk meningkatkan kebolehkerjaan, pengekalan air, dan waktu buka. This assists workers use the material smoothly and gives much better bonding strength. HPMC likewise lowers drooping on vertical surfaces and stops fracturing during drying out.

Pasaran Dadah

Dalam ubat-ubatan, HPMC works as a binder, wakil salutan, dan matriks pelepasan terkawal. It is utilized in tablet computers to hold ingredients together. The powder forms a protective film around tablets, making them less complicated to swallow and more secure. Because HPMC dissolves slowly in the body, it helps release drugs at a constant rate. Ia selamat, selamat, and accepted by global health and wellness authorities.

Pemprosesan Makanan

Food makers utilize HPMC as a thickener, pengemulsi, dan penstabil. It improves texture in things like sauces, pembalut, dan barang yang dibakar. The powder keeps water and oil blended well, so products stay consistent in time. HPMC also assists gluten-free bread climb much better and remain soft much longer. It satisfies food security requirements and lugs no strong preference or smell.

Penjagaan Diri dan Kosmetik

Dalam losyen, syampu, and lotions, Serbuk HPMC adds thickness and level of smoothness. It aids energetic ingredients spread out evenly on skin or hair. The substance is mild and does not irritate most customers. It additionally increases the feeling and appearance of aesthetic items without transforming their shade or scent.

Kegunaan Lain

HPMC muncul dalam cat, seramik, and agricultural chemicals as well. In paint, it quits pigments from clearing up and makes brushing much easier. Dalam porselin, it functions as a binder for green bodies. Farmers utilize it in pesticide formulations to stick active components to plant leaves much longer.

Profil Syarikat

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Kami boleh membekalkan bahan campuran konkrit berkualiti tinggi dan produk berkaitan konkrit busa di seluruh dunia.

Syarikat ini mempunyai jabatan teknikal profesional dan jabatan penyeliaan kualiti, makmal yang serba lengkap, dan dilengkapi dengan peralatan ujian termaju dan pusat khidmat pelanggan selepas jualan.

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Bayaran

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Penghantaran

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5 FAQs of Hydroxypropyl Methyl Cellulose HPMC Powder Hypromellose

Soalan Lazim Mengenai Hydroxypropyl Methyl Cellulose (HPMC) serbuk

Untuk apa serbuk HPMC digunakan?

HPMC powder is a common additive in many industries. Pembina menggunakannya dalam pelekat jubin, plaster, dan sebatian meratakan sendiri untuk meningkatkan kebolehkerjaan dan pengekalan air. Dalam bidang farmaseutikal, ia bertindak sebagai pengikat atau salutan untuk pil. Food makers also add small amounts to thicken or stabilize products like sauces and dairy alternatives.

Adakah HPMC selamat digunakan?

ya, HPMC is generally recognized as safe. Regulatory agencies like the FDA and EFSA approve its use in food, medicines, dan kosmetik. Ia tidak toksik, tidak merengsa, and does not cause allergic reactions in most people. Sentiasa ikuti tahap penggunaan yang disyorkan untuk aplikasi khusus anda.

How do I mix HPMC powder properly?

Mixing HPMC correctly prevents lumps. Pertama, add the powder slowly into cold water while stirring fast. Do not pour all at once. Let the mixture sit for 15–30 minutes to fully hydrate. Some users pre-blend HPMC with dry ingredients like sand or sugar before adding water. This helps it disperse evenly.

Does HPMC dissolve in hot or cold water?

HPMC larut terbaik dalam air sejuk. If you add it to hot water above 50°C (122°F), it may form clumps or gel too quickly. After full hydration in cold water, the solution can handle higher temperatures without breaking down. Store dry powder in a cool, dry place to keep it free-flowing.

What grades of HPMC are available?

HPMC comes in different grades based on viscosity, tahap penggantian, and particle size. Low-viscosity grades work well in liquid detergents or eye drops. Medium and high-viscosity types are better for construction materials or thick food products. Choose the right grade for your product’s performance needs. Suppliers can help match the grade to your process.