| CAS No.: | 9004-65-3 |
|---|---|
| Formula: | C56h108o30 |
| EINECS: | 220-971-6 |
|
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Brif introduction
Hydroxypropyl methyl cellulose (HPMC) is a natural polymer materials as raw materials,through a series of chemical processing and prepared non-ionic cellulose. It contains almost methyl cellulose(MC) of all the performance, your first choice for production of high quality building materials additives.To meet the needs of environmental protection, Our product with high water retention, dispersion, good fineness, good work ability, easy dissolution characteristics.It suitable for dry mortar building, both inside and outside wall putty powder milk (cream), adhesives, caulks, interface agents, coatings, self-leveling agent of new building materials.
Product properties
1. Water Retention: The water retention will be enhanced, which is helpful with such problems as cement or gypsum construction material drying too fast and poor hardening or cracking due to insufficient hydration.
2. Operationality: It can enhance the plasticity of mortar and improve the coating efficiency in construction projects.
3. Adhesivity: It can make mortar attach to base material better since the plasticity of mortar is enhanced.
4. Slip Resistance: It can prevent slipping problem between mortar and the base material in construction project as a result of its thickening effect.
Physical & Chemical Properties
| Item | Specification | ||||
| MC | HPMC | ||||
| DN55 | DN60 | DN65 | DN70 | DN75 | |
| Gel Tempreture (ºC) | 50-55 | 58-64 | 59-68 | 68-75 | 70-90 |
| Methoxyl Content (%) | 27.5-31.5 | 28.0-30.0 | 17.0-22.0 | 16.5-20.0 | 19.0-24.0 |
| Hydroxypropoxyl Content (%) | 7.5-12.0 | 4.0-9.5 | 6.0-12.0 | 4.0-12.0 | |
| Moisture Content (%) | ≤5.0 | ||||
| Ash Content (%) | ≤4.0 | ||||
| PH Value | 5.0-8.5 | ||||
Viscosity Range
| spec. | Viscosity Ranges(MPA.S) | spec. | Viscosity Ranges (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 | 1200-1800 | 150000 | 130000-180000 |
| 4000 | 3000-5600 | 200000 | ≥180000 |
We provide the following service to customers:
• Study the properties of competitor's product.
• Help client to find matching grade quickly and precisely.
• Formulation Service to improve performance and control cost, according to each client's specific weather condition, special sand and cement properties, and unique working habit.
• Chemical labs is to allow us to evaluate properties as viscosity, humidity, Ash, PH, content of methyl and hydroxypropyl groups, substitution degree etc.
• Application lab is to allow us to measure open time, water retention, adhesion strength, slip and sag resistance, setting time, workability etc.
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