Ardex E 90 Admix Improver for Cement-Based Tile Adhesives


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£38.44 ex. VAT

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  • Product ID: 18472
  • Suitable For: added stength and water repellent properties
  • Area of use: INT & EXT
  • Volume: 3.6kg
  • Container Type: bottle
  • Type: admixture
  • Brand: Ardex
  • Manufactuer: Ardex
  • Box Size: 1

 

ARDEX E 90 is a specialized synthetic dispersion designed to enhance the performance of ARDEX X 7 G, ARDEX X 7 W, and ARDEX S 21 cement-based adhesives. When diluted with an equal volume of water before mixing with the ARDEX adhesive powder, ARDEX E 90 significantly improves the adhesive properties of the mortar. The resulting mixture exhibits high adhesive strength, elasticity, and water-repellent qualities, while maintaining the workability, slump resistance, and open time characteristic of standard ARDEX adhesives. Substrate preparation follows the same guidelines as for ARDEX adhesives, with the exception that glazed surfaces do not require priming, although they must be clean and free of any barriers. The enhanced mortar is particularly effective for several applications, including fixing large, flat-backed tiles and dense ceramics, as well as for direct adhesion of tiles to existing glazed surfaces.

 

Key Points

  1. Enhanced Adhesive Properties: ARDEX E 90, when mixed with ARDEX adhesives, provides high adhesive strength, elasticity, and water resistance.
  2. Versatile Applications: The mortar is suitable for fixing large flat-backed tiles, smooth dense ceramics, and vitreous mosaics, both internally and externally.
  3. Direct Fixing: Allows for the direct installation of ceramic tiles onto existing glazed surfaces without the need for priming.
  4. Efflorescence Inhibition: The mortar helps inhibit lime bloom and efflorescence on external tiling, making it ideal for outdoor applications.

 

Storage & Shelf Life: ARDEX E 90 has a shelf life of at least 12 months when kept in unopened containers. It should be stored in a location protected from frost and direct sunlight.

 

 

 

For more in our range of tile admixtures, please click here, and for more in our range from Ardex, click here.

Alternatively, you can visit the Ardex website here.

 

 

Ardex E 90 is particularly effective for:

  • Fixing large, flat-backed tiles and slabs, as well as smooth-backed, dense, and impervious ceramics and vitreous mosaics.
  • Directly adhering ceramic tiles onto existing glazed surfaces.
  • Both internal and external applications, where it helps inhibit the formation of lime bloom and efflorescence on external tiling.
  • Bedding large flat-backed or smooth dense tiles while providing water-repellent properties when needed.
  • Applications on existing smooth impervious surfaces.

 

Mixing

In a clean container, dilute ARDEX E 90 with an equal volume of clean water. While stirring thoroughly, add the ARDEX adhesive powder to the diluted ARDEX E 90 until an easily workable mortar is achieved. The viscosity and slump resistance of the mortar can be adjusted by slightly increasing or decreasing the water amount to accommodate site conditions and the materials being fixed.

Material Requirement

For ARDEX X 7 G and X 7 W, 3.6 kg of ARDEX E 90 diluted with 3.6 litres of water is adequate for a 20 kg bag. ARDEX S 21 is also mixed with ARDEX E 90, diluted with an equal volume of water. Given the low water requirement of ARDEX S 21, only 2 kg of ARDEX E 90 is typically needed for a 22 kg bag.

Application

The mixed mortar is applied in the same manner as the standard ARDEX adhesive mortar for fixing ceramic tiles, mosaics, and other materials. For further details, please consult the relevant ARDEX product data sheet.

 

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Elementlength
up to
1,5 m
up to
2,5 m
up to
3,5 m
up to
4,5 m
up to
2,5 m
up to
3,5 m
up to
4,5 m
Type of window frame material Minimum witdth of joints
for a butled mounting b in mm
Minimum witdth of joints
for a inner mounting b in mm
Hard PVC (white) 10 15 20 25 10 10 15
Hard PVC and PMMA (dark)
(colour extruded)
15 20 25 30 10 15 20
Hard PUR integral foam 10 10 15 20 10 10 15
Wood-aluminium-window 10 10 15 20 10 10 15
Aluminium-plastic sandwich
frame (bright)
10 10 15 20 10 10 15
Aluminium-plastic sandwich
frame (dark)
10 15 20 25 10 10 15
Wooden window frame 10 10 10 10 10 10 10

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