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Modified Hydroxyethyl Methyl Cellulose (HEMC) – Premium Thickening & Water Retention Agent

The Modified Hydroxyethyl Methyl Cellulose-Celix Pro Series

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Modified HEMC
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More Cellulose Ethers

Celix Pro Series - Modified HEMC Sepcially for Those Appliactions

Celix Pro Series - Modified HEMC Sepcially for Those Appliactions

Modified Hydroxyethyl Methyl Cellulose, with the appearance of a white to off-white powder substance.


  • Grade: Celix Pro Series

  • CAS No.: 9004-65-3

  • Type: Chemical Auxiliary Agent

  • HS Code: 39123900

  • Viscosity Range: 400-75,000m Pa.s (Brookfield,2% water solution)

Celix Modified HEMC Model List:


* For Tile AdhesiveEM-Pro-AS, EM-Pro-AST

* For Wall Putty: EM-Pro-WP40U, EM-Pro-WP55U

* For Gypsum-Based PlasterEM-Pro-GP40U, EM-Pro-GP55U

* For EIFS/ETICS: EM-Pro-E40U, EM-Pro-E55U



Featured Properties:


1. Tensile Strength

2. Anti-sagging

3. Anti-slipping

4. Extended open time


Celix modified HEMC for Tile Adhesive models could match the international range of the standard C1, C2, C1E, C2E, C1T, C2T, C1TE, C2TE ets.

Modified HEMC Buyer's Guide & FAQs

What is the difference between HEMC and modified HEMC?

HEMC is a standard cellulose ether providing thickening, water retention, and stability. Modified HEMC is further surface-treated or chemically adjusted to enhance specific properties such as delayed solubility, improved workability, or better performance in demanding conditions like high temperatures, large-scale mixing, or extended open times.

What is modified HEMC?

Modified HEMC is hydroxyethyl methyl cellulose that undergoes additional processing, such as surface treatment, to improve application performance. This modification enables controlled hydration, easier dispersion in dry-mix systems, and optimized performance in modern construction materials, detergents, and other industries requiring stable and high-performing additives.

What are the functions of modified HEMC?

Modified HEMC improves water retention, workability, and open time in construction mortars and tile adhesives. Its surface treatment allows uniform dispersion, reduced lumping, and enhanced compatibility with other additives, ensuring consistent mixing and reliable performance in diverse construction environments and climate conditions.

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Partner with Celix for Superior Cellulose Ether Solutions!

Celix Cellulose Co., Ltd, is an integrated chemical cellulose manufacturer with in-house R&D, factories, and global sales sites.


Our products include HPMC, HEC, MHEC, VAE RDP, PCE, PVA, Defoamers, PP fibers, HPS, SHP and Gypsum Retarder.

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