Industrial HPMC
Specification | Industrial grade |
LY60 | LY65 | LY80 |
Appearance | White or off-white powder |
Gel temperature(℃) | 58-65 | 62-70 | 70-91 |
Methoxy content(%) | 28-30 | 27-29 | 19-24 |
Hydroxyl propyl content(%) | 7-12 | 4-7.5 | 4-12 |
PH value | 5.0-7.5 |
Viscosity 2% in water at 20ºC mpa.s | See viscosity index |
Particle size | 80-100 |
Weight loss on drying(%) | ≤5.0% |
Ash content (Calculated as sulphate)(%) | ≤1.5% |
Viscosity index
Viscosity (mpa.s)
Viscosity range of 2% water solution(mpa.s)
Viscosity (mpa.s)
Viscosity range of 2% water solution(mpa.s)
5
3-9
15000
13000-17000
15
10-20
20000
18000-22000
25
20-30
40000
36000-45000
50
40-60
60000
56000-65000
400
300-500
75000
70000-80000
1500
1200-1800
100000
85000-130000
4000
3600-5500
150000
130000-180000
8000
7000-9000
200000
≥180000
10000
9000-11000