Hydroxypropyl Methyl Cellulose
Specifications
1)Classification:chemical hpmc
2)Variety of viscosity
3)High quality in good price
4)Whit powder
5)99% Purity
1. Appearance: Chemical hpmc is white or similar to white fiber or granular powder; odorless .
2. Properties: Daily chemical hpmc almost insoluble in ethanol, ether and acetone; quickly dispersed in 80-90 water; aqueous solution is very stable in room temperature; has good wetting/dispersing/adheisve/thickening/emlusifying/water preserving/film-forming properties; can prevent the infilration of grease; film formed has excellent flexibility and trransparency; has good compatibility with other emulsifier; easy salting-out. its solution is stable with PH 212.
3. Apparent density: 0.300.70g/cm3, density is 1.3g/cm3.
4. Chemical Hpmc Powder Technical indexes:
|
Index name |
Model |
||
|
HL60 |
HL65 |
HL75 |
|
|
MethoxyWT% |
28.0-30.0 |
27.0-30.0 |
19.0-24.0 |
|
HydroxypropoxyWT% |
7.0-12.0 |
4.0-7.5 |
4.0-12.0 |
|
Gelling temperature |
58.0-64.0 |
62.0-68.0 |
70.0-90.0 |
|
MoistureWT% |
≤5.0 |
||
|
Residue on ignitionWT% |
≤1.5 |
||
|
PH Value1% solution , 25 |
4.0-8.0 |
||
5.Usage
There are two grade in this product, industrial grade and pharm grade. Industrial grade main used in building industry, like retaining agent, retarder, adhesives, water preserving agent, film-forming agent, also used in ceramic industry as adhesives. Pharm grade HPMC is widely used as multi-purpose pharmaceutical excipients, can be used as thickener dispersant, emulsifier and film-forming agent etc. It’s also used in petroleum drilling and daily-used chemicals.
6.Packing
In 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
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