Methyl Hydroxyethyl Cellulose (MHEC) - JINJI

Methyl Hydroxyethyl Cellulose (MHEC) - JINJI

Methyl Hydroxyethyl Cellulose (MHEC) is a white powdered substance that is odorless and non-toxic. It can dissolve in water to form a transparent, viscous solution exhibiting properties such as high water retention, good thickening, binding, uniform distribution, suspending capability, anti-sagging, resistance to cracking and chalking, anti-spatter, gelling, good leveling, colloid protection, and easy workability.

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The chemical properties and benefits of MHEC are determined by its degree of substitution and modification of substituent groups after undergoing alkalization and etherification reactions with sodium hydroxide, chloromethane, and ethylene oxide. Thanks to its ethyl substituent groups, MHEC demonstrates higher gel temperature and hydrophilicity.

MHEC finds extensive application in the construction and building materials industry, particularly in dry mix mortar products like tile grouts, tile adhesives, white cement/gypsum-based wall putties, and decorative plasters. It acts as a thickening agent, retaining water and enhancing constructability.

Methyl Hydroxyethyl Cellulose(MHEC) manufacturer - HPMC

Application Field

Applications

MHEC is widely used in:

• External wall insulation mortar
• Cement plaster mortar
• Self-leveling cementitious compositions
• Dry-mix mortar
• Gypsum plasters

Key properties include: Thickening, Forming and curing, Water-binding, adhesion, Delaying open-time, and good flow. Suggested grades include MHEC ME200000, MHEC ME150000, MHEC ME100000, MHEC ME60000, and MHEC ME40000.

MHEC is also effective in adhesives, such as wallpaper adhesives, latex adhesives, and plywood adhesives, due to their thickening, lubricity, and water-binding properties. The recommended grades for these applications are MHEC ME100000 and MHEC ME60000.

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Specific Applications and Benefits

MHEC has several specific applications, providing various benefits in different contexts:

1. Cement-based plaster

• Improves uniformity and sag resistance, enhancing work efficiency.
• High water retention prolongs working time and improves mechanical strength.
• Controls air infiltration, preventing micro-cracks for an ideal surface.

2. Gypsum plaster and gypsum products

• Enhances uniformity and flow resistance, boosting work efficiency.
• High water retention ensures longer work times and superior mechanical strength.
• Results in a high-quality surface coating by controlling mortar uniformity.

3. Masonry mortar

• Improves surface strength and water retention, enhancing overall mortar strength.
• Increases lubricity and plasticity, boosting construction performance.
• Special high water retention models are suitable for highly absorbent bricks.

4. Joint filler

• Excellent water retention extends cooling time, improving work efficiency and ease of application.
• Enhances shrink resistance and surface quality.
• Provides a smooth and uniform texture, improving bonding strength.

5. Tile Adhesive

• Facilitates easy mixing of dry ingredients, saving time and reducing costs.
• Extends cooling time, boosting tile setting efficiency and adhesion.
• High skid resistance models are available.

6. Self-leveling floor materials

• Acts as an anti-precipitation additive, providing necessary viscosity.
• Enhances fluidity and pumpability, improving paving efficiency.
• Controls water retention, reducing cracks and shrinkage.

7. Water-based paint and paint remover

• Prevents solids from precipitating, extending shelf life.
• Dissolves quickly and easily, simplifying the mixing process.
• Improves flow characteristics, ensuring excellent surface finishes.
• Enhances the viscosity of water-based and solvent paint removers, preventing runoff.

8. Extrusion forming concrete slab

• Improves the processability of extruded products with high bonding strength and lubricity.
• Enhances wet strength and adhesion post-extrusion.

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