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HPMC

HPMC

Category :

Paint and Coatings/Building Coating

CAS NO : 9004-65-3
EC NO :
Molecular Formula : C12H20O10
Main Specifications :
Synonyms : HPMC;(2R,3R,4S,5R,6S)-3,4,5-trimethoxy-2-(methoxymethyl)-6-[(2R,3R,4S,5R,6R)-4,5,6-trimethoxy-2-(methoxymethyl)tetrahydropyran-3-yl]oxy-tetrahydropyran;1-[[(2R,3R,4S,5R,6S)-3,4,5-tris(2-hydroxypropoxy)-6-[(2R,3R,4S,5R,6R)-4,5,6-tris(2-hydroxypropoxy)-2-(2-hydroxypropoxymethyl)tetrahydropyran-3-yl]oxy-tetrahydropyran-2-yl]methoxy]propan-2-ol;Hydroxypropyl methylcellulose;Hydroxypropyl methyl cellulose;HPMCP-HP55;
HPMC
Package: Net wt 15kg or 20kgs in cardboard drum with PE lining or coated PP woven bag, stored indoors in dry and draughty place; avoid rain and sunlight during transporting.
Molecular Structure:HPMC 9004-65-3
Product description: Properties: 1.Appearance: HPMC is white or similar to white fiber or granular powder; odorless . 2.Properties: almost insoluble in ethanol, ether and acetone; quickly dispersed in 80-90 water; aqueous solution is very stable in room temperature; has good wetting/dispersing/adheisve/thickening/emlusifying/water preserving/film-forming properties; can prevent the infilration of grease; film formed has excellent flexibility and trransparency; has good compatibility with other emulsifier; easy salting-out. its solution is stable with PH 212. 3.Apparent density: 0.300.70g/cm3, density is 1.3g/cm3. Dissolving process HPMC will agglomerate when directly added to water and then dissolve. In this way it dissolves very slow and hard. Suggested methods as followers: 1. In hot water. HPMC does not dissolve in hot water. The primary HPMC can be uniformly disperse in hot water. Then cool down in two ways: a) Add hot water in container and heated to over 70. Add HPMC gradually while slowly, stir. At the beginning, HPMC float on the top of water, then turns into slurry state stir and cool down. b) Add water in container to 1/3 or 2/3 of its content. Heated to over 70 add HPMC by sequence of a). Make it disperse to form slurry state. Add cool water or ice to the resideual content, stir and cool down the mixture. 2. Powder combination. Mix HPMC with identical volume of other powder, disperses them sufficiently then add water to the Application It is widel 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.l also used in petroleum drilling and daily-use chemicals Packing Net wt 15kg or 20kgs in cardboard drum with PE lining or coated PP woven bag, stored indoors in dry and draughty place; avoid rain and sunlight during transporting.
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Company:
   Zhejiang Kehong Chemical Co., Ltd.
Contact:
   Mr. Chen Ms.Lv
Phone:
+86-575-85522000 85523162
Mobile phone:
+86-13626857476 15158226853
Fax:
+86-575-85523552 85620562
E-mail:
sales@chinahpmc.cn
Website:
http://www.chinahpmc.cn
Address:
Xin'er Zhongxinlu, Binhai industrial park, Shaoxing, Zhejiang, China
Zip Code:
312073
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