Building material additive, stable quality Hydroxypropyl methyllose HPMC
ã€Introduction】
Chemical Name :Hydroxypropylmethyl lose (HPMC)Molecular Formula :[C6H7O2(OH)3-m-n(OCH3)m(OCH3CH(OH)CH3)n]xStructure Formula :Where :R=-H , -CH3 , or -CH2CHOHCH3ï¼›X=degree of polymerization .
Abbreviation: HPMC
ã€Characteristics】
1. Water-soluble, non-ionic lose lose ether
2. Odorless, tasteless, non-powder
3. Dissolved in cold water, forming a clear or slightly solution
4. Properties of thickening, binding, dispersing, emulsifying, film-forming, suspension, adsorption, gel, surface activity, water retention and protective colloid
ã€Technical requirements】
1. Appearance: white to yellowish powder or grains.
2. Technical Index
| Item | Index | ||||
| HPMC | |||||
| F | E | J | K | ||
| Loss on drying, % | 5.0 Max | ||||
| value | 5.0~8.0 | ||||
| Appearance | White to yellowish grains or powder | ||||
| Viscosity (mPa.s) | refer to Table 2 | ||||
| Level | Specific range (mPa.s) | Level | Specific range (mPa.s) |
| 5 | 4~9 | 8000 | 6000~9000 |
| 15 | 10~20 | 10000 | 9000~12000 |
| 25 | 20~30 | 15000 | 12000~18000 |
| 50 | 40~60 | 20000 | 18000~30000 |
| 100 | 80~120 | 40000 | 30000~50000 |
| 400 | 300~500 | 75000 | 50000~85000 |
| 800 | 600~900 | 100000 | 85000~130000 |
| 1500 | 1000~2000 | 150000 |
