used as thickener, adhesive, water preserving agent, film forming agent in construction, building materials, dispersion coating
HPMC SPECIFICATION
PRODUCT | SPECIFICATIONS |
Hidroxypropyl Methylcellulose (HPMC) | Physical Appearance: White to slightly off-white, essential odourless and tastless podwer |
Particle size (through 80 mesh): 100% | |
Active substance content of commercial product min 95% | |
Viscosity 2% in water at 20ºC mpa.s: See viscosity spec. | |
PH (25ºC): 4-8 | |
Ash (%): 1,5 max | |
Humidity (%): 8,0 max | |
Methoxy(%). 27-30 | |
Hidroxypropoxy(%): 4-12 |
viscosity spec.
The viscosity of HPMC F 2% water solution at 20°C. Use Brookfield viscometer and NDJ-1 viscometer
Grade | Spindles, | Brookfield range, cps | NDJ-1 range, cps |
50 | 1 | 40 ~60 |
|
100 | 1 | 75 ~ 130 | |
400 | 2 | 300~ 500 | |
800 | 2 | 650~ 1000 | |
1500 | 3 | 1200~ 1800 | |
2500 4 000 | 3 | 2000~ 3000 | |
4 | 3500~ 5000 | 3000 ~ 4700 | |
7000 | 4 | 6000~ 8000 |
80000 ~120000
|
10000 | 5 | 8000~ 12000 | |
15000 | 6 | 12000~ 18000 | |
25000 | 6 | 21000~ 29000 | |
40000 | 6 | 34000~ 46000 | |
55000 | 7 | 46000~ 63000 | |
70000 | 7 | ≥60000 |
Application::It is widel used as thickener, adhesive, water preserving agent, film-forming agent in construction, building materials, dispersion coating, wallpaper paste, polymerization aids, leathers, printing ink and paper making etc.l also used in petroleum drilling and daily-use chemicals.
Packing, transport and storage: In 20kgs or 25kgs cardboard drum lined with PE or in woven bag with PP lining; stored indoors in dry and draughty palce; avoid rain and sunlight during transporting.
HPMC(Building Grade)
