ALKA 204 (Polyaspratic 60% Solids) 20 Litre

Alka 204 is a clear, solvent-based polyaspartic topcoat, formulated in two components for application over concrete floor coatings. With a very high gloss finish and low viscosity, Alka 204 stands out for its exceptional abrasion resistance and flexibility compared to conventional solvent-based polyurethane coatings. It represents the next generation of polyurethanes, belonging to the aliphatic polyurea or polyaspartic family of resins.

$700.00 inc GST

SKU: A4C2E9 Categories: ,



Alka 204-20 litre

Alka 204 is a clear, solvent-based polyaspartic topcoat designed for concrete floor coatings. With superior gloss and durability, it offers enhanced abrasion resistance and flexibility compared to traditional polyurethanes, marking a new generation in coating technology.


  • Decorative Flake systems
  • Epoxy self-leveling floor toppings
  • Exterior and interior decorative flooring finished


These are the advantages of Alka 204 polyaspartic topcoat :

  • Extremely bright, clear and transparent.
  • Low viscosity.
  • Exceptionally Tough & Durable,
  • Excellent bond strength.
  • Easy application/Can be applied by brush or roller.
  • Multi-purpose use.
  • Ultra-High solids as supplied.
  • Protects new concrete from abuse.
  • Rejuvenates worn surfaces, to a smooth finish.
  • Designed to take heavy loads.
  • Available in bulk quantities.
  • Good mechanical resistance.
  • Good chemical resistance.
  • Short waiting times before subsequent coating


Layer Thickness: Recommended coating thickness is approximately 25 microns per coat.

Pot Life (at 25°C): Approximately at least 1 hour.

Curing Time (at 25°C):

  • Touch Dry Time: 1 hour
  • Re-coatable: 6-8 hours
  • Light traffic: 3 days
  • Full cure: 7 days.

Consumption: Alka 204 consumes approximately 0.1 – 0.15 kg/m2 (approximately 5-8 m2/litre) per coat, depending on substrate conditions. Achieve a total thickness of 25 microns by applying two coats as a concrete sealer.

Application Instructions: Apply Alka 204 using a brush, roller, or spray. Note that Alka 204 requires a special solvent for thinning, and standard Xylene solvents should not be used.

Cleaning of Equipment: Use Xylene to clean tools and equipment before the mixed compound begins to harden. Mechanical removal is necessary once cured.

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clear & transparent.


20 Kg , 16 Kg Resin & 4 Kg hardene


Alka-204 Datasheet


Colour accuracy disclaimer: We have taken care to display the most accurate visuals of our products. However, we are not responsible for the colour accuracy of the device you are viewing our swatches on. These variations arise due to different computer monitors and devices (make, model and technology, as well as resolution, contrast and brightness control settings) in much the same way a scan will differ from an original image and a colour photocopy. Furthermore, coatings can exhibit variation in perceived colour depending on gloss level and application method. If you require a very specific colour match, please make your selection via actual swatches and colour boards available at our showroom.

Product Disclaimer: Ensure you read all product, technical and safety data sheets prior to application as liability falls on the applicator. All products must be applied in accordance with manufacturer’s recommended method.