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Jennie Zhou

Hydroxyethyl Methyl Cellulose (HEMC)

Maisi® hydroxyethyl methyl cellulose (HEMC) is a non-ionic cellulose ether polymer based on cellulose, a natural polymer derived from refine cotton linter.Part of the hydroxyl group in its molecular structure is replaced by methoxy and hydroxyethoxy, which can form a transparent and viscous solution in an aqueous solution,It has the properties of thickening, adhesion, suspension, dispersion, emulsification, film formation, surface activity, moisture retention and colloid protection etc.

The degree of substitution and modification of substituent, allows the different chemical properties and benefits after alkalization and etherification reactions with Sodium hydroxide,Cholromethane,and ethylene oxide.

HEMC is better performance in terms of higher gel temperature and hydrophilicity rely on ethyl substituent groups.

Maisi® HEMC is widely used in building materials, coating industry, ceramic industry, synthetic resin, daily chemical, textile, agriculture and other industries.

Product Specifications

Appearance: white or off-white 
pH value:6-8
Gel temperature:70-85°C
Viscosity:1,000-75,000 mPa.s (Brookfield RV, 2%)


HEMC Solutions

Ceramics Tile Adhesive

MaiSi® Hydroxypropyl Methyl Cellulose (HPMC) offer superior construction performance, high water retention, extended opening time, reduce cement hydration retardation and excellent slippage resistance.

Skim Coat / Wall Putty

MaiSI® Hydroxypropyl Methyl Cellulose can smooth the putty, MaiSI® HPMC in cement skim coat/wall putty as a thickening and water retention additive.

Detergents & Industrial Cleaner

MAISI l® hydroxypropyl methyl cellulose (HPMC) is non-ionic polymer with an excellent tolerance for dissolved Increase and stabilize foam, improve skin feel: Help your product foam densely and improve the experience of using.

Self-leveling Mortar

MAISI l® hydroxypropyl methyl cellulose can keep the liquidity and increase the water retention, make smooth surface of the self-leveling mortar and avoid cracks on the surface.

Cement Render & Plaster

Maisi® cellulose ether HPMC has good water retention, and helps the cement have full hydration. It can not only extend the open time, but also makes the materials smooth and easy to apply.


MaiSI® hydroxypropyl methyl cellulose (HPMC) leads to high sag resistance and long embedding time, which are the required key properties of EIFS and ETICS.

Gypsum Based Plaster

MaiSi® Cellulose ether HPMC give gypsum plastering mortar systems excellent water retention, it also can improve the rheological property of gypsum and make it have excellent anti sagging property and easy construction property

Ceramics Tile grout

MAISI l® hydroxypropyl methyl cellulose offer high water retention and excellent construction properties to improve adhesion, increase operating time and reduce peeling.