EKVOCELL EKV-100 25/1
Ekvocell EKV-100 25/1 is a high-purity Hydroxypropyl Methyl Cellulose (HPMC) polymer developed to enhance the performance of cement and gypsum-based building materials. This non-ionic cellulose ether yields excellent results, particularly in applications requiring high viscosity. By ensuring water retention within mortar mixtures, the product enables complete hydration of the cement and minimizes the risk of cracking.
Key Properties and Application Areas
Due to its high viscosity in the range of 90,000 - 120,000 mPa.s (NDJ), Ekvocell EKV-100 prevents sagging in vertical applications and facilitates smooth trowel movement. The primary areas of use are as follows:
- Tile and Ceramic Adhesives: Extends open time and increases adhesion strength.
- Plasters and Putties: Provides a smooth surface finish and prevents agglomeration.
- External Thermal Insulation Composite Systems (ETICS): Offers flexibility and water retention capacity in adhesive and plastering mortars.
Technical Specifications
| Test Parameter | Specification | Typical Result |
|---|---|---|
| Appearance | White or off-white powder | Conforms |
| pH Value | 5.0 - 9.0 | 7.7 |
| Viscosity (NDJ, 2%, 20°C) | 90,000 - 120,000 mPa.s | 95,000 mPa.s |
| Viscosity (Brookfield, 2%, 20°C) | 45,000 - 55,000 cp | 46,900 cp |
| Loss on Drying (Moisture) | Maximum 6.0% | 4.1% |
| Residue on Ignition (Ash) | Maximum 5.0% | 3.9% |
| Particle Size | Min 92% (passes through 80 mesh sieve) | Conforms |
Frequently Asked Questions
In which types of mortars is Ekvocell EKV-100 used?
It is generally used as a thickener and water retention agent in C1 and C2 class tile adhesives, decorative plasters, repair mortars, and external thermal insulation (ETICS) mortars.
What are the shelf life and storage conditions of the product?
When stored in its original packaging in a cool and dry environment, the shelf life is generally 2 years from the date of manufacture. It must be protected from moisture.
How does the viscosity value affect performance?
High viscosity (NDJ ~100,000 mPa.s) increases the sag resistance of the mortar and elevates its water retention capacity, which facilitates workability, especially in hot weather conditions.
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