Submitted by admin on 5 June 2024

ڤيتوتوب آى سي 441

طلاء أكريليكي مضاد للكربنة.

<p>Vetotop AC441 is a single-component, elastomeric, and pigmented coating that is ready for immediate use on site. It is also a crack-accommodating, water-based protective coating based on a special acrylic polymer, allowing it to provide outstanding elongation and recovery, resistance to aggressive elements, UV light, and rain. Vetoprime AP443 is supplied as a clear liquid and is based on an acrylic resin dissolved in a penetrating organic carrier. It is reactive and capable of producing a chemically bound hydrophobic barrier, thus inhibiting the passage of water and water-borne contaminants.</p>

Uses

  • To protect atmospherically exposed reinforced concrete structures from attacks by acid gasses, chloride ions, oxygen, and water. 
  • Can protect all cementitious substrates and masonry (including those in coastal areas).

Advantages

  • Can accommodate substrate cracking up to 2 mm and cyclic movement up to 0.3 mm. 
  • Real elastomeric coating with excellent elongation and recovery properties. 
  • Excellent barrier to carbon dioxide, chloride ions, oxygen, and water. 
  • Allows water vapor to escape from the structure. 
  • UV-resistant with high resistance to the effects of long-term weathering. 
  • Wide range of decorative colors. 
  • Fast dry; it can be recoated within 2 hours, thus reducing dirt pickup and down-time.

Usage Instructions

All surfaces should be dry and free (preferably by light grit blasting) from contamination, traces of mold-release oils, and curing compounds. Where there are moss, algae, or similar growths, you must treat them with a proprietary biocide after grit-blasting them. 

If you need to apply the product over existing sound coatings, it is recommended to conduct trials to ensure the compatibility and retention of the bond between the underlying and substrate layer. 

It is essential to produce an unbroken coating of Vetotop AC441. Use Vetorep CR523 (a cementitious fairing coat) to fill surfaces that contain blow-holes or pitting areas. 

Level rougher substrates using a cementitious product from Saveto Concrete Repair Range.

Use portable spraying equipment to apply Vetoprime AP443 in one or more coats until the recommended application rate of 0.7 m2/liter/coat @ 50 microns thickness is achieved. Conduct a uniform surface appearance (sheen). Allow the primer to dry for a minimum of two hours (at 20°C) before overcoating it with Vetotop AC441.

To activate the Vetotop AC441 system’s protective properties, the correct rates of application and overcoating times must be strictly adhered to. 

Apply Vetotop AC441 in two coats. The first coat can be diluted with clean water depending on the substrate. The recoat time for the second coat is two hours. If necessary, apply a third coat to achieve a hiding power. 

No gaps or ‘raw edges’ must appear in the finished coating. Take special care to provide an unbroken layer at the external corners and similarly exposed protrusions. Vetotop AC441 may be applied using suitable brushes, rollers, or airless spraying equipment.

Remove Vetotop AC441 from tools and equipment with clean water immediately after use.

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