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HEMC
Products . Cellulose Ethers . HEMC
HEMC
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Product Description:
Hydroxyethyl methyl cellulose (HEMC) is a non-ionic cellulose ether known for its strong water retention, thickening ability, and film-forming performance. It is widely applied across industries such as construction, paints, pharmaceuticals, and personal care products.
Properties
- Appearance: White to off-white, tasteless, odorless powder.
- Solubility: Dissolves in cold water to form a clear, viscous colloidal solution.
- Thickening & Water Retention: Excellent for increasing viscosity and retaining water, which is crucial for building materials like mortars to prevent premature drying.
- Film Forming: Can form a strong, clear, and flexible film upon drying.
- Stability: Offers good stability in solutions and is resistant to salts and temperature changes.
- Non-Ionic Nature: Does not dissociate in water, providing stability in pH-independent systems.
Application
- Construction: Improves workability, water retention, and adhesion in plasters, renders, tile adhesives, and joint compounds.
- Paints: Acts as a rheology modifier and provides water retention and thickening in water-based paints.
- Pharmaceuticals: Used in sustained-release formulations, as a binder, coating agent, or for viscosity control.
- Personal Care & Cosmetics: Functions as a thickener and stabilizer in products like shampoos, lotions, and toothpaste.
- Food Industry: Can serve as a thickener, emulsifier, or water retention agent.