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Typical properties
Chemical Name
Hydroxyethylmethylcellulose (HPMC)
Degree of Substitution (OCH3)
1.1 – 1.55
Methoxy Content (% OCH3)
19 – 24
Average Molecular Substitution (POOH)
0.12 - 0.33
Hydroxyethyl Content (% POOH)
4 – 12
Moisture (wt %)
max. 5
Ash (wt %) (as sulphate)
max.1
pH- value
5.5 – 8.0
Appearance
white or off- white powder
Particle size (100% through)
PF (0,150 mm), PP (0,124 mm)
Viscosity specifications, Brookfield RVT at 20°C, mPa s
Viscosity
type *1)
Viscosity
range
[mPa s]
Concentration
in water
[%]
Spindle
Nr.
Rotation
speed
[min-1]
6M
5.400 - 6.600
2
4
20
15M
13.500 - 16.500
2
5
20
30M
27.000 - 33.000
2
6
20
40M
36.000 - 44.000
2
6
20
50M
45.000 - 55.000
2
6
20
Available types
Surface treatment *2)
Particle size
with „S“
without
P
PF
*1) – other viscosity types are available on special request *2) – „S“ surface-treated types
Use
Used mainly in construction industry (production of dry building mixtures), but can be used also in production
of paints, detergents and cosmetics, medicine, foods, agriculture, chemicals, textile, tobacco etc.
Packaging and storage
25 kg polyethylene lined paper bags/plastic bags
It’s recommended to use the product in rotation on a first- in first- out basis.
Storage under dry and clean condition in its original packaging and away from heat.
Health and safety
Please see separate Material Safety Data Sheet
CAS Name: HPMC
CAS Nr.: 9004-65-3
