Flowdur PAS Clear - Polyaspartic Sealer

Vendor: Virtus Resins
Flowdur PAS Clear is a clear, fast curing, two-component solvent free polyaspartic floor coating for concrete surfaces. Flowdur PAS provides a UV-resistant, tough, hard wearing coating system and can be...

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Flowdur PAS Clear is a clear, fast curing, two-component solvent free polyaspartic floor coating for concrete surfaces. Flowdur PAS provides a UV-resistant, tough, hard wearing coating system and can be used to produce decorative flake systems in conjunction with Flowdur PAS Coloured.

Flowdur PAS Clear may be applied between 10 °C and 30 °C. However, for best results, substrate and air temperature should be in the range 15 °C to 25 °C otherwise workability and cure rate may be impaired.

Appearance

Clear gloss finish.

Typical Uses

Decorative applications, warehouses, laboratories and food preparation areas.

Features & Benefits

  • Fast cure. Ultra-quick return-to-service
  • 100% solids. VOC free
  • Excellent UV resistance
  • Low viscosity
  • Gloss, easy to clean finish
  • Extremely durable & impermeable finish

Thickness

150 - 250 microns per coat depending on specification.

Typical Properties, 28 days at 20 ºC

BS 8204-6 Type 3

Bond strength (BS EN 13892-8) > 3.0 N/mm2 (concrete failure)

Impact resistance (BS EN ISO 6272-1) 4.7 Nm

Wear resistance (BS EN 13892-5) < 50 μm

The typical physical properties given above are derived from testing in a controlled laboratory environment. Results derived from testing field-applied samples may vary dependent upon site conditions.

Pack Size

2.5 kg and 5 kg units.

Pot Life

Material Temperature Working Time*
10 °C ~ 30 minutes
20 °C ~ 20 minutes
30 °C ~ 10 minutes
* Usable working life of material following mixing and immediate spreading as per the application instructions.

Cure Schedule @ 20 °C *

Over coating time 90 minutes ~ 12 hours
Cure time to pedestrian traffic ~ 4 hours
Cure time to light wheeled traffic ~ 8 hours
Full cure ~ 5 days

Please see Technical Data Sheet for further information.

Application Conditions:

Flowdur PAS Clear may be applied between 10 °C and 30 °C. However, for best results, substrate and air temperature should be in the range 15 °C to 25 °C otherwise workability and cure rate may be impaired. Localised heating or cooling equipment may be required outside this range to achieve ideal temperature conditions. To reduce the risk of “blooming” or poor inter-coat adhesion caused by condensation, the climate above the uncured floor and the substrate should be maintained at least 3 °C above the dew point during application and for at least 48 hours after application. In any case, the ambient relative humidity should be between 30% and 75% during application and cure. Do not apply when ambient and substrate temperatures are rising otherwise pinholes may occur.

Surface Preperation:

The surface to be coated must be clean, dry and free from oil, grease, dust and loose material or any other contamination that may impair adhesion or wetting out. High or low spots should be removed or repaired before proceeding. Remove excess flakes or aggregates from the surface by sweeping followed by vacuum. The use of light sanding is recommended for flakes to remove flakes standing proud. When applied to a smooth resin finish it is possible that Flowdur PAS Clear may fish-eye due to surface tension. Lightly abrading the surface followed by solvent wiping may cure this problem. If in doubt, apply a trial area of the system before specifying. IMPORTANT: Humidity in the atmosphere is required for the successful cure of polyaspartic based coatings. As a result, polyaspartic coatings will take a significant amount of time to through cure if applied in excess of the recommended film thickness (250 microns). It is especially important to ensure that the substrate is flat and defect free so that material does not pool in excess of the recommended film thickness.

Mixing:

Materials should be conditioned at 15 °C to 25 °C for 24 hours prior to use. Pre-mix the resin component as there will be slight settlement in the bottom of the container. Add the hardener component to the resin component and mix using a low speed electric mixer (300 - 500 rpm) fitted with a suitably sized Jiffy-style paddle for at least 3 minutes until homogeneous. Keep the mixing head fully submerged to avoid air entrainment. Use a straight edged spatula to scrape the sides and bottom of the mixing vessel several times as unmixed material will result in uncured patches in the final finish. Do not add solvent/thinners to the product. Important: Both liquids are pre-weighed and designed to be mixed together in their entirety. It is essential that the full amounts are mixed together and until homogenous to ensure the product cures correctly and to the desired finish.

Application:

Squeegee and back-roll to provide a uniform film of 200 to 250 microns and avoid pooling. Use a cross-rolling technique to ensure even coverage. If required, repeat the procedure for a second coat. Edges and difficult to reach areas may be applied thinly by brush. Plan the work area to maintain a wet edge and work within the working time of the material. Due to the rapid cure, roller sleeves should be changed regularly (at least every hour).

Technical Datasheets

Flowdur PAS Clear

data sheet download


Safety Data Sheets


Flowdur PAS Resin

data sheet download

Flowdur PAS Hardener

data sheet download

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