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Hydroxy Propyl Methyl Cellulose Hpmc Methylcellulose

Posted at: Offers to Sell and Export | Posted on: Wed 15 Jul, 2009 8:08 am |
 
hydroxy propyl methyl cellulose hpmc methylcellulose
Products Photos CatalogHydroxy Propyl Methyl Photos Catalog



Application

The HPMC is used as thickener, adhesive, water preserving agent, film-forming agent in



construction, building materials, dispersion coating, wallpaper paste, polymerization aids, leathers, printing ink and paper making etc.lt also used in petroleum drilling and daily-use chemicals.

Physical properties:

1. Appearance: HPMC is a nonionic cellulose ether, white grayish-white powder or granule, odorless and flavorless, soluble in cold water, glacial acetic acid, ethanol, methanol and propylene glycol, slightly soluble in acetone depending on the degree of substitutions, practically insoluble in hot water, ethylene glycol and toluene. HPMC is dissolved in a mixture of 10% methanol and 90% methylene chloride to form colloidal solutions.

2. The solution of HPMC has surface activity, high transparency, and stable performance. When heated at certain temperature, the solution becomes cloudy or forms flocculent gel. However, the solution becomes clear again after cooling. Different types of HPMC have different gelation temperatures. The solubility varies with the viscosity. The lower the viscosity, the higher solubility it has. The different types of HPMC are different in some properties and their solubility in water is not affected by pH.

3. Particle sizes: 100% pass rate in 100 mesh.

4. Apparent density: 0.25-0.70 g/mL (usually about 0.5 g/mL), specific density 1.26-1.31mL.

5. Color change temperature: 190-200'C, Carbonization temperature: 280-300'C.

6. Surface tension: 42-56 dyn/cm (2% aqueous solution).

7. The higher methoxy content in HPMC, the lower gelation temperature, and the higher solubility in water and surface activity.

8. HPMC has some other characteristics, for example, thickening property, pH stability, retention of water, excellent film-forming property, good disperse and adhesion ability.



Company Contact:

No member photo
Contact Name: Karen Yang
Company Name: Shijiazhuang SUCC Trading Co., Ltd.
Email: Email
Tel: +86-311-86682328
Fax: +86-311-86682328
Street Address: Room 402-3-13,
Huaqing Garden, Changan District,
Shijiazhuang City, Hebei Province,
China 050046
Website: http://succkaren.diytrade.com
Member name: succkaren
Country: China-CN China
Member Since: 15 July 2009
Total Leads: 11 succkaren Import Export Business Leads
Business focus: Hydroxy Propyl Methyl Cellulose, Methyl Celulose, Mineral Fiber Ceiling Board, Rock Wool Products
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