Active Member
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[China]
Address: 139-141 Wai Yip Street, Kwun Tong Kowloon, Hongkong, China.
Contact name:Bruce Chen
Rare Mine Chemical Resources Limited |
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HPMC is white powder or granule made from highly pure cotton - cellulose by reaction of etherification under alkal. HPMC is characterized by water solubility, water retention, nonionic, stability of the PH value, surface activity, temperature reversible gelling properties, thickening property, film formability, lubrication property etc.,without any organs of animals, fat and other bioactive constituents.
HPMC Specifications
| Product | HPMC |
| Methoxyl(%) | 19.0-24.0 |
| Hydroxypropyl(%) | 4.0-12.0 |
| Gel temperature(℃) | 70-75 |
| Ash(%) | See product grade table |
| Appearance | White powder |
| Size sorting rate% mesh | 80/100/120 |
| Moisture(%) | ≤5.0 |
| PH Value(1%) | 4.0-8.0 |
| Viscosity(mPa.s) | See viscosity table |
HPMC Grade
| Project | Index | ||
| Grade | HPM(high-class) | HP(qualified) | HPS(modified) |
| Ash(%) | ≤1.0 | ≤3.0 | ≤5.0 |
| Moisture(%) | ≤5.0 | ||
| Size sorting rate% (100mesh) | ≥99 | ≥95 | ≥90 |
| Luminosity transmittance(%) | ≥80.0 | ≥75.0 | ≥70.0 |
| Water retention(%) | ≥85.0 | ≥80.0 | ≥75.0 |
HPMC Viscosity Specification
| Grade | NDJ-1(2% solution,20℃)mPa.s | Brookfield(2% solution,20℃)mPa.s | NDJ-1(1% solution,20℃)mPa.s |
| 1,500 | 1,000-2,500 | 600-1,200 | / |
| 4,000 | 2,500-6,000 | 1,500-4,000 | / |
| 10,000 | 8,000-15,000 | 6,000-10,000 | / |
| 20,000 | 18,000-22,000 | 13,000-18,000 | / |
| 40,000 | 35,000-50,000 | 23,000-26,000 | / |
| 750,000 | 70,000-80,000 | 40,000-43,000 | / |
| 100,000 | 85,000-130,000 | 43000-50,000 | 5,000-8,000 |
| 150,000 | 130,000-180,000 | 50,000-64,000 | 8,000-11,000 |
HPMC Main Function
1. Enhanced water retention-improved water retention can protect cement and plaster against poor solidification and cracking due to speedy drying and inefficient mixing with water.
2. Workability-mortar plasticizing quality can be improved,which in return will improve the workability of painting and working efficiency.
3. Binding-Dur to increased plasticizing quality,mortar can be a better binder.
4. Slipping resistance-Due to the thickening action of cellulose ether,the slipping phenomena of mortar from substance to bound can be prevented more efficiently.
