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Hydroxy Propyl methyl cellulose (HPMC) cellulose Methocel
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Hydroxy Propyl Methyl Cellulose
(HPMC)
CAS # 9004-65-3
Synonyms: Hypromellose (INN), short for hydroxypropyl methylcellulose, Hydroxypropyl methylcellulose; hydroxypropyl methyl cellulose; HPMC; E464
HPMC Specification:
Item |
Grade |
||
60EY |
65EY |
75EY |
|
Methoxy (WT%) |
28.0-30.0 |
27.0-30.0 |
19.0-24.0 |
Hydroxypropoxy (WT%) |
7.0-12.0 |
4.0-7.5 |
4.0-12.0 |
Gelation temperature (oC) |
58.0-64.0 |
62.0-68.0 |
68.0-90.0 |
Viscosity (mPa.s) (2% solu., 20oC) |
3, 5, 6, 15, 50, 4000 |
50, 4000 |
100, 4000, 15000, 100000 |
Loss on drying (%) |
≤5.0 |
||
Residue on ignition (%) |
≤1.0 |
||
pH |
4.0-8.0 |
||
Heavy metals (ppm) |
≤20 |
||
Arsenic (ppm) |
≤2.0 |
HPMC Viscosity
Class |
Specification |
Range (mpa.s) |
super low viscosity |
5 |
3-7 |
10 |
8-12 |
|
15 |
13-18 |
|
low viscosity |
25 |
20-30 |
50 |
40-60 |
|
100 |
80-120 |
|
high viscosity |
4000 |
3500-5600 |
12000 |
10000-14000 |
|
20000 |
17000-22000 |
|
super high viscosity |
25000 |
27000-32000 |
30000 |
27000-32000 |
|
40000 |
38000-42000 |
Uses
There are many fields of application for hypromellose, including:
Tile adhesives
Cement renders
Gypsum products
Pharmaceutical
Paints & coatings
Food
Cosmetics
Detergents & cleaners
Eye drops
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