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A 6-9mm polyurethane floor screed, for the pharmaceutical food and chemical industries. High wear, impact, abrasion and chemical resistant.
Flortex® PU Screed is a water-based resin-rich polyurethane floor screed which is trowel applied for use on concrete and polymer modified cementitious screeds. It provides good anti-slip properties and a seamless, textured, matt finish and is non-tainting.
Flortex® PU Screed has been designed for use in areas where there is extremely heavy traffic, extreme temperatures (steam cleaning, boiling water, liquids up to 120°C at 9mm), and has excellent chemical resistance, such as concentrated citric acid, spirit vinegar, lactic food and
common alcohols found in the food, dairy and pharmaceutical industries.
As from 24th August 2023, adequate training is required before industrial or professional use of this product.
Areas of heavy usage and high chemical resistance, where a seamless and easily maintained surface is required. Useage areas include: chemical plant processing, food manufacture and processing, medical and veterinary practice, dairies and animal husbandry, breweries, heavy duty plant and traffic areas, engineering, etc.
Suitable substrates: Flortex® PU Screed may be applied to concrete, grano concrete and polymer reinforced screeds.
Colour: Flortex® PU Screed is available in 6 standard Polycote colours. The final finish is mottled due to the presence of aggregate at the surface.
We can make it to your specification on any order over 30 units.
Packaging: Flortex® PU Screed is supplied in pre-measured quantities as a three part 30.3kg unit, comprising a coloured resin blend Part ‘A’, hardener Part ‘B’ and aggregate Part ‘C’.
Pot life: 15 mins @ 20°C. This can be reduced to as much as 8 minutes at +25°C.
Depth of screed (1 layer): 6mm – 9mm
Curing times: 12 hours (light pedestrian traffic)
24 hours (light wheeled traffic)
48 hours (heavy duty traffic)
7 days (fully cured)
Coverage: 30kg unit of Flortex PU Screed is approximately 2m² at 6mm nominal thickness, or 1.4m² at 9mm nominal thickness.
The above coverage’s slightly over allows the amount of materiel needed. If the substrate is very rough the coverage may reduce slightly. 2.3kgm² per mm
Number of parts supplied: 3
Please consult the technical data sheet for full technical product data.
Surface Preparation
THOROUGH SUBSTRATE PREPARATION IS ESSENTIAL.
All substrates must be clean, sound, dry and free of surface laitance. Recommended methods are:
• Powerfloated concrete – use a Vacuum Assisted Shotblaster to remove weak laitance and provide a surface key for the coating. If this is not possible, chemically etch with Polycote Etch IT, then rinse thoroughly and allow to dry.
• Loose paint or rust – remove, using a Vacuum Assisted Shotblaster, Floor Grinder or equivalent method.
• Loose or friable concrete – use a Vacuum Assisted Shotblaster. If this is not possible, chemically clean with Polycote Etch IT then rinse thoroughly and allow to dry.
• Metal – use a shot-blaster to prepare the surface to SA2.5 (bright steel) and primed with ZP Primer. Deckplates of 4mm or less do not provide a sufficient substrate for Flortex PU Screed, please contact Polycote Technical Helpline for further information.
To give a professional finish, we advise that grooves are cut into the floor around the perimeter of the substrate, to give the screed an anchorage. The groove should be about 20mm wide and 8mm deep and about 150mm from the edge.
Mixing
Once the surface has been thoroughly prepared, a suitable primer has been applied, and the surface is tack free, apply Flortex PU Screed.
Prior to mixing, the temperature of the three components must be between 15°C and 25°C. Stir the individual components before mixing together.
Add Part ‘B’ to Part ‘A’ and thoroughly mix for at least 1 minute. Steadily add the aggregate whilst continuing to mix. Mix thoroughly for 3 minutes once all the aggregate has been added For best results use a heavy duty slow speed drill (300 – 400 rpm) with a mixing paddle.
Ensure thorough mixing as an unmixed product will result in a poor or non-cure situation.
Application
Once fully mixed, apply the product between the battens (if necessary) and level with a steel float. If a smooth finish is required (to assist cleaning), back-roll with a short pile roller.
Application Conditions
Normal application temperature is between +15°C and +25°C. Air humidity must not exceed 90%. Flortex PU Screed should be room temperature when applied, if the product is warmer than usual, pot life and curing times will be greatly reduced. Similarly, times will be greatly extended in colder applications.
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