Tile Adhesives

Cement Based Adhesive

Monneli Neofil F50 Flex

High Performance Cementitious Tile Adhesive with No Vertical Slip and Extended Open Time

Uses
NEOFIL F50 FLEX is used for internal and external tile laying both on wall and floor applications. It is suitable for use on the following:
Institutional kitchen
Bathrooms
Swimming pools
Laboratories
Hospitals
Tile on tile applications
Ceramic, porcelain, vitrified tiles, granite floors
Marble and natural stones
Klinker tiles
Single-fired tiles
Gypsum after having first applied PRIMER A16
It can be applied on deformed supports caused by static loads
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Technical Information
Product Description

NEOFIL F50 FLEX is a polymer enriched water resistant, flexible, cementitious tile adhesive. It is an easily workable product with high adhesion power and excellent elasticity. Its thixotropic characteristics permit to apply on vertical substrates without slipping.

It does not contain fiber, asbestos & other harmful components.

Advantages
  • Easily workable
  • Extended open time
  • Highly thixotropic
  • Excellent bond and tensile strength. Adheres to all materials normally used in buildings
  • Hardens without appreciable shrinkage
  • Eco-friendly
  • Formulated to suit Middle East conditions
  • Water resistant
Packaging, Coverage / Consumption

Packaging:

NEOFIL F50 FLEX is packed in 25 Kg bags.

 

Consumption: 

Approx. 4.0 to 4.5 Kg. NEOFIL F50 FLEX per m² using notched trowel on smooth surface. Consumption will vary according to type of tiles and support condition.

Shelf Life & Storage

Storage:

Store in dry covered place in the original closed bags

 

Shelf life:

12 months if stored as recommended

Colors
Grey & white
Technical Properties
PROPERTIES RESULTS
Appearance  Powder
Color  Grey or white
Dry density  1.50 kg/L 
Wet density 1.70 kg/L
VOC 4.0 g/L
Water resistance Excellent
Slip resistance Excellent
Flexibility Excellent
Open time 30 minutes
Workable time 45 minutes
Wall grouting After 10 hours
Floor grouting  After 24 hours
Shear strength 2.0 N/mm2
Adhesion strength (EN 1348) 
Initial adhesion at 28 days 1.8 N/mm²
Adhesion after heat ageing 1.7 N/mm²
Adhesion after water immersion 1.2 N/mm²
Adhesion after freeze-thaw cycle 1.2 N/mm²
All values are subject to 5-10 % tolerance  
Application Information
Instructions for use

Surface preparation

All surfaces should be sound, clean & uncontaminated.  This preparation should leave an exposed concrete surface free from dust, loose particles, deleterious matter, oil, grease, chemical films & other contaminant. All loose particles of mortar, paint, etc. must be physically removed.
Concrete or blockwork: should be allowed to cure sufficiently so that all shrinkage movements take place before fixing tiles.
Gypsum supports: must be treated with PRIMER A16.  Should not have a percentage of humidity more than 10%.
The surface of substrates must be moistened slightly with clean water to reduce the absorption of water from the mortar.  Do not moistened the tiles.

Mixing

Place 5.0 – 5.25 liters of cold, potable water in the mixing bucket and add slowly 25 kg  bag of NEOFIL F50 FLEX  under continuous mixing till a uniform lump free consistency mix is achieved. For mixing process, a slow speed drill (200- 300rpm) fitted with a suitable paddle is recommended.

Application

Spread NEOFIL F50 FLEX on the substrate to a uniform thickness using a toothed spatula, the first pass with its straight edge and the second pass immediately after to the desired thickness using the toothed part.

Place the tiles onto the adhesive bed. Apply sufficient pressure on the tile during fixing it with slight twisting movement in order to ensure good contact with the adhesive.

In case of large size tiles, it is necessary to spread the adhesive also to the backside of the tile and then place the tile into the adhesive bed.

Apply enough material that can be tiled during the adhesive’s open wet time. Spreading large areas may result in drying the adhesive before tiles can be fixed causing poor adhesion.

Finishing

Remove excess adhesive with damp cloth before the material has set. Joint grouting between tiles may be commenced 10 hours after tiles has been laid on the walls and 24 hours after tiles are laid on the floors.

Cleaning

Tools and equipment should be cleaned with water immediately after use. Hardened materials should be mechanically removed.

Recommendations

n To achieve improve adhesion strength, it is recommended to replace water with ELASTOKOL

n The grey type presents higher mechanical resistances. It is therefore advisable to use to fix tiles on floor

n Stiffened mortar must neither be diluted with water nor with fresh mortar

n Do not use NEOFIL F50 FLEX on metal, wood or non-absorbing surfaces

n Do not apply NEOFIL F50 FLEX in rainy weather, high winds and sand storms

n Do not apply under direct sun

n Keep equipment cool and use cold water

n Porosity of tiles and substrates has significant effect on adhesive strength of tiles

Additional Information
Health & Safety

NEOFIL F50 FLEX can be harmful to skin as it contains cement powders which may releases alkalis when mixed with water.

During application, wear appropriate protective clothing, goggles, gloves and respiratory equipment if necessary.

In case of contact with skin, rinse with water and again wash thoroughly with soap and water. In case of contact with eyes, rinse with plenty of water and seek medical advice accordingly.

If ingested, obtain medical attention immediately. Do not induce vomiting.

Important note

The information in this Technical Data Sheet is based on Colmef Monneli’s experience. Colmef Monneli does not accept any liability arising from the use of its products as it has no direct or continuous control over where or how its products are applied. All Colmef Monneli’s Data Sheets are updates on regular basis. It is the user’s responsibility to obtain the latest version.

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Uses
PRIMER POXY WB is recommended for use in commercial, institutional, or industrial environments that require a low odor, fast drying, and durable coating.
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