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Powerseal Urethane Clear Primer


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Auseal – Curite is a hard surface Urethane based Concrete Sealer. It is a two coat system and is suitable for Factory Floors, Warehouses, Service Stations, Workshops and inside garages. Auseal-Curite Powerseal is not UV and therefore is only suitable for indoors. Protection against most chemicals, fats, oils, alkalis and salts.

Additional information


10 Litre, 20 Litre


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  • Excellent durability
  • Excellent resistance to fats and oils and even brake fluids
  • Excellent resistance to diluted acids, alkalis and oxidising agents
  • Excellent petrol and / or solvent resistance
  • Excellent abrasion resistance
  • Superior adhesion properties
  • Suitable for interior application or under canopy applications
  • Easy to clean and maintain appearance
  • Very hard yet flexible coating
  • Despite the coating process a high gloss appearance, it is not unusually slippery

Colour Range

Available in Clear and 24 Standard Colours.


For best results as a sealer and coating for application, use broom or roller for application to concrete.


Nominally: 8 – 12 square metres per litres per coat.

5 – 9 square metres per litre per coat on concrete.

4 – 8 square metres per litre per coat on vinyl chip floor.


Application Temperature Min. 5 deg C, max 30 deg C

Recoat Time Min. 4-6 Hrs and within the next 18 hours

Full Film Formation (Cure) –  Trafficable  3 Days.

Packaging and Safety

POWERSEAL is available in 4, 10, 20 and 200 litre drums.

Refer to the Safety Data Sheet before handling or use.

Surface Preparation

Concrete should be allowed to cure for a minimum of 28 days. The water dampened concrete should be acid etched with Hydrochloric Acid solution diluted 1 part acid to 4 parts water.

Spread diluted acid over floor with broom or mop. A white haze of bubbles indicates proper etching action and this must be obtained. Allow the acid solution to remain on the concrete for 1 – 2 minutes or until the bubbles cease to form.

Rinse thoroughly with clean water before the acid solution dries, otherwise salts will form which are difficult to remove.

Water should not bead up on a properly etched floor and the concrete should have a profile similar to fine sandpaper. If profile is too smooth or if water does bead up, the acid etching was insufficient and must be repeated.

Allow the floor to dry completely before coating.

All surfaces to be sealed or coated must be free from dust, dirt, oil, grease and other contaminants.

Clean all surfaces with degreasant and flush with copious quantities of clean water, scrubbing to remove all contaminants while washing down the area. Repeat this application until all residues of contaminant are removed.

Allow surface to thoroughly dry prior to sealer application.


Stir thoroughly before and during application to ensure uniformity, making sure that any suspended pigment (if coloured) is completely re-incorporated.

Concrete usually requires 1 – 2 coats of Powerseal. Large areas of concrete can be coated with a rubber squeeqee

The First coat must be Powerseal tinted or untinted primer to assist penetration and adhesion.

Thin first coat of Powerseal up to 10% of Polyurethane AuSeal Solvent. Apply quickly and liberally by quality brush, mohair roller, lambswool pad or squeegee.  Apply coating evenly with broom or roller. Uneven application may result in slowing down of curing time.

Allow recommended drying time and apply evenly one full Second coat without dilution.

Apply second coat, if required, within a 4 – 16 hour period depending on the grade of product and the drying conditions. Refer drying/recoat section.

Powerseal may be applied by spray application. Ensure all precautions and requirements of legislation involving the spraying of Isocyanate materials are complied with. Refer to AuSeal for further information.

Powerseal cures by reacting with moisture in the atmosphere.

For all applications of Powerseal, pour out only sufficient Powerseal for immediate use into a clean, dry container, as it will prematurely gel if exposed too long to the air.

Do not return unused Powerseal to the container. Reseal containers tightly immediately.

Clean material from spout thread before resealing and avoid prolonged storage of part filled cans.

Do not apply Powerseal in thick layers, as bubbles may form in the coating during the drying


POWERSEAL can be removed from tools and equipment with Xylene. Use only Polyurethane AuSeal Solvent. After cleaning, wash applicators in a final rinse of methylated spirits.



  1. Provide adequate ventilation during application and drying.
  2. Store away from naked flames and sparks.
  3. Ensure you are familiar with MSDS prior to usage.
  4. As the product dries with the reaction with the moisture of the atmosphere, keep containers tightly closed at all times and pour a small amount of Xylene on top of every drum when opened.
  5. Recoating time should be strictly followed otherwise intercoat adhesion may cause a problem.


Click here for the Material Safety Data Sheet for this product