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Hydroxypropyl Methyl Cellulose (HPMC)
Hydroxypropyl methylcellulose (HPMC) is a derivative of Methyl cellulose. HPMC is a non-ionic cellulose ether made from natural renewable polymer, such as cotton or wood pulp. It is an odourless, tasteless and non-toxic white powder, which can be dissolved in cold water to form a transparent viscous solution.
Product type:
GEMEI CHEME is producing and providing different types of HPMC for different fields of applications, generally MELOTEL HPMC series are consists of 2 types of standard products & several types of modified product.
Standard Types:MELOTEL GMK,MELOTEL GMD,
Modified Types:MELOTEL GX
CAS NO.:9004-65-3
Physical & Chemial specification
| Specification | GMD | GMK |
| Ash content: | 5% max | 5%max |
| Methoxyl content: | 28.0-30.0% | 19.0-24.0% |
| Hydroxypropoxyl content: | 4.0-12.0% | 4.0-12.0% |
| Apparent viscosity(CPS) | 50,400,4000 | 15000,30000,100000,150.000 |
| Grade | Viscosity |
| GMD 50 | 35-55 |
| GMD 400 | 350-450 |
| GMD 4000 | 3500-4500 |
| GMK 20M(S) | 15000-25000 |
| GMK 30M(S) | 25000-35000 |
| GMK 40M(S) | 35000-45000 |
| GMK 50M(S) | 45000-55000 |
| GMK 60M(S) | 55000-65000 |
| GMK 70M (S) | 65000-75000 |
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