Product nature
Hydroxypropyl methyl cellulose is a non-ionic water-soluble cellulose ether with a white powder appearance and the characteristics of being non-toxic, odorless, easily soluble in cold water but insoluble in hot water. It is widely used as a thickener, adhesive, dispersant, suspension agent, film-forming agent, water retaining agent, and emulsifying agent. In addition to pharmaceuticals, food, and daily chemical products, its application areas are more commonly used in building mortar and water-based coatings.

Technical Index

Model	Range
	ME-60	MK-75
Methoxy group（%）	28.0-30.0	19.0-24.0
Hydroxypropyl（%）	7.0-12.0	7.0-12.0
Gel temperature（℃）	58.0-64.0	70.0-90.0
Appearance	White or slightly yellow flowing powder
pH value（1%水溶液）	6.0-8.0
Water content（%）	≤5.0
Ash content（%）	≤5.0
Fineness (80 mesh pass rate)（%）	≥99.0
Viscosity（2% aqueous solution，20℃，mPa.s）	400-200000

Physical and chemical properties
1. Water retention: Hydroxypropyl methyl cellulose has superior water retention, and its water retention depends on its specific model when added in the same amount.
2. Water solubility: Hydroxypropyl methyl cellulose is easily soluble in cold water, but difficult to dissolve in hot water.
3. Organic solubility: Hydroxypropyl methyl cellulose is soluble in organic solutions and solvent systems composed of organic solutions and water.
4. Thermogelation: When the aqueous solution of HPMC is heated to a certain temperature, it will form gel, but it will form solution again after cooling.
5. Surface activity: Hydroxypropyl methyl cellulose provides surface activity in solution, acts as an emulsifier, and forms a protective colloid.
6. Stability of pH value: Hydroxypropyl methyl cellulose is stable to acids and bases, and its aqueous solution is very stable within the pH range of 2-12. Caustic soda and lime water have little effect on their performance.
7. Non ionic: Hydroxypropyl methyl cellulose can be mixed with water-soluble polymer compounds to form a uniform, higher viscosity solution without precipitation.
8. Suspension: Hydroxypropyl methyl cellulose has stable suspension to prevent solid particles from settling.
9. Thickening and adhesion: Hydroxypropyl methyl cellulose has a significant thickening effect on the solution and can enhance its adhesion.
10. Biological stability: Hydroxypropyl methyl cellulose has better enzymatic resistance than methyl cellulose, and its possibility of solution enzymatic degradation is lower than that of methyl cellulose.

Recommended usage type

Model	Self leveling mortar	Wall putty	plastering mortar	Insulation mortar	Ceramic tile adhesive	Grout	Plaster gypsum
MK4V	**
MK4M	*
MK40M	*	*	*		**	**	**
MK60M		**	*	**	**	***	***
MK100M		***	**	***	***	**	***
MK150M		**	***	*	**	*	*
MK200M			**		*	*
MK100MS
MK200MS

Explanation:

1、* * Recommended for use, * * * Specially recommended
2、Due to differences in usage conditions, regions, climates, and specific formulas, the above recommended information is for reference only.

Packaging and transportation
1、25kg net weight, paper plastic composite bag, customizable packaging according to customer requirements.
2、This product is prone to moisture absorption and should be stored in a cool, dry place.

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