Shandong Dazhan Hongrui Fine Chemical Co., Ltd
Hydroxyethyl Methyl Cellulose (HEMC)
CAS 9032-42-2
MF: C2H6O2·xCH4O·x 
MW: 269.312 
Hymetellose328
Other names
2-hydroxyethyl methyl cellulose, Cellulose, 2-hydroxyethyl methyl ether, Methyl hydroxyethyl cellulose
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◉ Product Parameters

General

HEMC is a kind of non-ionic, water-soluble polymer powder that is developed to improve working ability of dry mixed mortars. Compared with HPMC, HEMC has more hydrophilic groups, which means it has a relatively high gel temperature, better water retention in hot environments, and better thermal stability.

Specifications

ITEM

DATA

Chemical name

Hydroxyethyl Methyl Cellulose

Appearance

White or off-white powder

Bulk density (kg/m3)

250-550

Particle size (M 0.212 mm)

≥ 92%

PH

5.0-9.0

Loss on drying  (Max.  %)

≤6%

Viscosity (mPa·s)

400-200,000

Recommended dosage

0.03-0.45%

RE: 2% solution viscosity @20°C with viscometerNDJ- 1, #4 spindle ,6rpm according to JC/T2190-2013.

Characteristics

● Good air stabilization in mortar

● with high gelling temperature

● Moderate slip resistance

● Good water retention even under high temperature

● Very good troweling and smooth leveling ability

Applications

●   Interior and exterior skim coat

●   Tile adhesive

●   Block laying mortar

●   Interfacial treating agent

●   Gypsum based mortar

●   Extrusion production of cement products

Shelf life

At least 2 years under cool and dry condition. For material storage over shelf life, quality confirmation test should be done before use.


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