HPMC
- Chemical name:HYDROXYPROPYL METHYL CELLULOSE(MHPC),CAS NO.: 9004-65-3
- HYDROXYPROPYL METHYL CELLULOSE is made by propylene oxide, methyl chloride with alkali-cellulose after a chemical process called Etherification under rigidly controlled conditions.
HPMC is a good film-former and varies somewhat in physical and chemical properties.It has different viscosity .widely uses skim coat, tile adhesives, plasters,Gypsum coating ,comestics,Liquid Detergents ,pharmaceutical materials.
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HPMC is nonionic cellulose ether, It was produced from highly pure refined cotton or Pulp wood. HPMC was produced by Refined cotton→ Reaction kettle→vacuumize→alkalify→etherification( methyl chloride or propylene oxide or ethylene oxide )→washing and Adjust PH to neutral---Dry and pulverize→HPMC powder.
Features:
Rapid development of temperature stable High water retention
Easy workability Rheology
Sad resistance Good workability
Improve substrate adhesion Long open time
Surface treatment Shape retention
Thermal gelation is higher Ash is lower
Soluble in cold water Thickening
Soluble in organic solvents
Parameter
|
Item |
Methyl cellulose |
Hydroxypropyl methyl cellulose |
Hydroxyethyl methyl cellulose |
||
|
Grade |
MC |
ME |
MF |
MK |
HEMC |
|
Methoxy(wt%) |
28-32 |
28-32 |
27-30 |
19-24 |
22-32 |
|
Hydroxypropoxy(wt%) |
7.5-12 |
4-7.5 |
4-12 |
||
|
Gelation temperature(℃) |
52-67 |
58-64 |
62-68 |
70-90 |
60-90 |
|
Appearance |
White or off white powder |
||||
|
Moisture(%) |
≤5.0 |
||||
|
Ash(%) |
≤5.0 |
||||
|
PH Value |
4.0-8.0 |
||||
Applications
Tile grouts
Cement based tile adhesives
Self leveling underlayment (slu) mortars
ETICS and dispersion based render
ETICS to gypsum plasters and cement based renders
Cement based render
Joint compound mortar
dispersion based joint filler,smoothing mortar
Gypsum based smoothing mortar
Detergent
skim coat
gypsum based joint filler
Gypsum based plaster hand applied
Sealant elastomeric roof coating
Concrete admixtures
Concrete solutions
|
Type |
Wall Putty Skim Coat | Tile Adhesive | Render | Grout Joint Filler | Repair Mortar | Self-Leveling(SLU)Mortars | Hydrophobic Mortar | Plaster | Ceramics | Gypsum Plaster by Hand | Gypsum plaster by Machine | ETICS | Water Born Paint | Liquid Detergents | wall Paper Glue |
| RDX400 | － | － | － | － | － | ••• | － | － | － | － | － | － | － | － | － |
| RDX4000 | － | － | － | － | － | － | － | － | ••• | － | － | － | － | － | － |
| RDX20000 | － | － | － | ••• | － | － | － | ••• | － | • | － | － | － | － | － |
| RDX30000 | － | － | － | － | ••• | － | － | ••• | － | ••• | － | － | － | － | － |
| RDX35000 | － | •• | ••• | － | ••• | － | ••• | ••• | •• | － | ••• | － | － | － | － |
| RDX35000S | ••• | •• | ••• | － | ••• | － | ••• | ••• | •• | － | ••• | • | － | － | － |
| RDX45000 | ••• | ••• | ••• | － | － | － | ••• | ••• | － | － | － | • | － | － | － |
| RDX50000 | ••• | ••• | － | － | － | － | － | ••• | •• | － | － | •• | － | － | － |
| RDX60000 | •• | ••• | － | － | － | － | － | － | － | － | － | •• | ••• | － | － |
| RDX60000S | •• | ••• | － | － | － | － | － | － | － | － | － | •• | ••• | － | ••• |
| RDX75000 | •• | － | － | － | － | － | － | •• | － | － | ••• | － | ••• | － | |
| RDX75000S | － | － | － | － | － | － | － | － | － |
－ |
－ | ••• | ••• |
Viscosity (mPa.s): 2% water solution , pH 7，(20+0.2) C，Brookfield RV，20rpm.
Packing,storage
It is packed in 25kg bags,prevent from raining and fire,wet must be avoided.
Overseas marketing
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