Elotex SEAL81

Elotex MP2050, Elotex 60W, Elotex SEAL81, Elotex SEAL200, Elotex ERA100, Elotex ERA200, Elotex SEAL712, Elotex FX6300, Elotex FX2350

An encapsulated silane in powder form that provides excellent water-repellent properties on the surface and in mass of cementitious mortars.


When it comes to fortifying mortars against water intrusion, Elotex SEAL81 emerges as a game-changer. This innovative product, available in convenient powder form, contains an encapsulated silane with remarkable water-repellent properties.

Unleash the Power

Elotex SEAL81 is a crucial raw material in the building and construction industry, particularly in the realm of ready-mixed dry mortars. It functions as an organic additive, elevating the performance of various mortar formulations, including:

  • Tile Grouts (Cement-Based): Enhance the durability and water resistance of tile grouts, ensuring they remain intact and reliable.
  • Repair Mortars: Strengthen repair mortars to withstand the test of time, even in challenging conditions.
  • Renders (Cement and Lime-Based): Improve the water-repellent characteristics of renders, ensuring they maintain their structural integrity.
  • Cementitious Waterproofing Membranes (Rigid, One-Component): Elevate the waterproofing capabilities of cementitious membranes, guarding against moisture intrusion.


Outstanding Water-Repellent Properties

Elotex SEAL81 operates by releasing its active ingredient when mixed with water. This ingredient then forms a covalent bond with the inorganic mortar matrix, delivering unparalleled water-repellent performance. Expect:

  • Water-Repellent Excellence: Achieve remarkable water repellency both on the surface and within the mass of cementitious mortars.
  • Pearl Effect: Enjoy a visually pleasing pearl effect on the treated surfaces, enhancing the aesthetics of your projects.
  • Low Water Uptake: Mortars treated with Elotex SEAL81 exhibit significantly lower water uptake, ensuring long-term durability.
  • Exceptional Wetting and Mixing: Experience ease in the wetting and mixing process, streamlining mortar preparation.
  • Precise Dosing with Minimal Dust: It is easy to dose with minimal dust formation, making it user-friendly.
  • Extended Shelf Life: Benefit from a long-lasting shelf life, ensuring product performance over time.
  • Alkaline Compatibility: It remains fully efficient even in alkaline mediums with a pH greater than 10.


Customizable Performance

It’s important to note that the performance of Elotex SEAL81 can be tailored to meet your specific formulation requirements. For personalized guidance and assistance, our Application Technology Group is ready to support you.

Dosage Guidelines

The typical dosage of Elotex SEAL81 ranges from 0.2% to 1.0% (weight % on dry mortar). While using this product, avoid prolonged mixing time during dry mortar production for optimal results.

Compatible with Standard Mortar Additives

Elotex SEAL81 seamlessly integrates with standard mortar additives, including redispersible polymer powders, accelerators, retarders, cellulose ethers, and more.

When you choose this product, you’re investing in water-repellent excellence that ensures the longevity and reliability of your construction projects.


Additional information

Bulk Density

650 – 850 g/l

Residual Moisture

max 2.0 %

pH Value

9 – 11