Hydroxypropyl MethylCellulose (HPMC)

Hydroxypropyl methyl cellulose (HPMC) has excellent thickening and can be used as an excellent concrete anti-dispersant. HPMC has been widely used in the construction industry. Anti-dispersion test Anti-dispersant is an important technical index to measure the quality of anti-dispersant.

HPMC is a water soluble polymer compound, also known as water soluble resin or water soluble polymer, is to increase the consistency of the mixing water by increasing the viscosity of the mixture, is a hydrophilic polymer material, can dissolve in water and form a solution or dispersion. It can be seen that when the amount of naphthalene series efficient water reducing agent increases, the incorporation of water reducing agent will reduce the anti-dispersion of newly mixed cement mortar.

This is because the naphthalene system efficient water reducing agent belongs to the surfactant, when the water reducer added to the mortar, water reducing agent in the surface of the cement particles surface with the same charge, the electric repulsion makes the cement particles form flocculation structure is separated, the water released in the structure, will cause part of the loss of cement water. At the same time, with the increase of HPMC mixing, the dispersion of new cement mortar is better and better.

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Product Description

Hydroxypropyl MethylCellulose (HPMC) are widely used in construction, pharmaceutical,food, cosmetic, detergent, paints, as thickener, emulsifier, film-former, binder, dispersing agent, protective colloids.We can provide the regular grade HPMC, we also can provide modified HPMC according to customer requirements. After modified and surface treatment, we can get the goods which is dispersed in water quickly, lengthen open time, anti-sagging, etc.

Appearance	White or off-white powder
Methoxy ( % )	19.0~ 24.0
Hydroxypropoxy ( % )	4.0 ~ 12.0
pH	5.0~ 7.5
Moisture ( % )	≤ 5.0
Residue on ignition ( % )	≤ 5.0
Gelling temperature ( ℃ )	70~ 90
Particle size	min.99% pass through 100 mesh

Typical Grade	Viscosity(NDJ, mPa.s, 2%)	Viscosity(Brookfield, mPa.s, 2%)
HPMC YB5400	320-480	320-480
HPMC YB560M	48000-72000	24000-36000
HPMC YB5100M	80000-120000	40000-55000
HPMC YB5150M	120000-180000	55000-65000
HPMC YB5200M	160000-240000	Min70000
HPMC YB560MS	48000-72000	24000-36000
HPMC YB5100MS	80000-120000	40000-55000
HPMC YB5150MS	120000-180000	55000-65000
HPMC YB5200MS	160000-240000	Min70000

Typical Applications Of HPMC

Tile Adhesive

● Good water retention: prolonged opening time will make tiling more efficient.
● Improved adhesion and sliding resistance: especially for heavy tiles.
● Better workability: lubricity and plasticity of plaster is ensured, mortar can be applied easier and quicker.

Cement Plaster / Dry Mix Mortar

● Easy dry mix formula due to cold water solubility: lump formation can be easily avoided, ideal for heavy tiles.
● Good water retention: prevention of fluid loss to the substrates, the appropriate water content is kept in mixture which guarantees longer concreting time.
● Increased water demand: increased open time, expanded spry area and more economical formulation.
● Easier spreading and improved sagging resistance due to improved consistency.

Wall Putty

● Water retention: maximized water content in slurry.
● Anti-sagging: when spreading a thicker coat corrugation can be avoided.
● Increased mortar yield: depending on the weight of the dry mixture and appropriate formulation ,HPMC can increase the mortar volume.

Exterior Insulation And Finish System ( EIFS )

● Improved adhesion.
● Good wetting ability for EPS board and substrate.
● Reduced air entrancement and water uptake.

Self-Leveling

● Protection from water exudation and material sedimentation.
● No effect on slurry fluidity with low viscosity

HPMC, while its water retention characteristics improve the finish performance on the surface.

Crack Filler

● Better workability: proper thickness and plasticity.
● Water retention ensures prolonged work time.
● Sag resistance: improved mortar bonding ability.

Pharmaceutical Excipient And Food Application

Usage	Product grade	Dosage
Bulk Laxative	75K4000,75K100000	3-30%
Creams, Gels	60E4000,65F4000,75F4000	1-5%
Ophthalmic Preparation	60E4000	01.-0.5%
Eye drops preparations	60E4000, 65F4000, 75K4000	0.1-0.5%
Suspending agent	60E4000, 75K4000	1-2%
Antacids	60E4000, 75K4000	1-2%
Tablets binder	60E5, 60E15	0.5-5%
Convention Wet Granulation	60E5, 60E15	2-6%
Tablet coatings	60E5, 60E15	0.5-5%
Controlled Release Matrix	75K100000,75K15000	20-55%