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Archroma Unveils Re-dispersible Polymer Powder for Sealing Applications in Building & Construction

Published on 2017-06-09. Author : SpecialChem

Reinach, Switzerland -- Archroma, a global leader in color and specialty chemicals, has announced the launch of Mowilith® POWDER 2702 re-dispersible polymer powder (RDP), a ground-breaking innovation to support the introduction of highly-practical and sustainable 1K (one-component) premium-performance waterproofing mortars for building and construction applications.

Archroma Unveils Re-dispersible Polymer Powder for Sealing Applications in Building & Construction
Archroma Unveils Re-dispersible Polymer Powder for Sealing
Applications in Building & Construction

Benefits of RDP

  • Enhanced performance over 2K and other polymer alternatives
  • Fast and practical use: Needs only water
  • Easier application and reliable handling
  • Economical, lower-weight packaging for reduced environmental impact

Adhesion and Hydrophobicity

  • New Mowilith® POWDER 2702 cost-effectively improves the key properties of cement-based formulations, such as adhesion and hydrophobicity (water repellence). 
  • It achieves enhanced waterproofing performance in comparison to both traditional 2K (two-component) systems and to other polymers available for waterproofing mortars.
  • Compared to existing polymers, it also delivers outstanding semi-flexibility which results in less mortar cracking and therefore better overall sealing performance for 1K systems.

A 1K dry-mix mortar with Mowilith® POWDER 2702 offers the market a combination of performance, handling and sustainability-related benefits that set it apart from standard 2K systems based on dry mortar and a liquid dispersion.

The 1K pre-packed dry-mix is easy to prepare and to apply. It requires only water to be added to the dry component at the worksite to achieve a mortar with the desired consistency for easier user application. Importantly, thanks to the RDP, the mortar can be re-dispersed after contact with water for later use. As water is easy to dose, particularly with a pre-supplied dosage recipient, this also creates less potential for user error too.

The advanced 1K option has environmental and logistic-related benefits over a 2K system. From a packaging perspective, only one plastic packet of dry fillers is needed per box instead of a dry mix bag and a liquid bag. This lessens the amount of plastic and content weight is reduced by up to 30%. By enabling a smaller box size, less warehouse storage space is needed. In addition, a purely dry-mix package is easier and more save to transport than liquid contents.

Waterproofing mortar made with Mowilith® POWDER 2702 can be applied over concrete, ceramic and concrete blocks, cement and other cementitious bases in the following fields of application: Wet and wettable areas; buried structures such as tanks and pools; internal and external walls; and underground foundations and baseboards.

Mowilith® POWDER 2702 meets the requirements for being approved to potable water reservoirs. The new development qualifies for Archroma’s low emission concept, being APEO-free, solvent-free, ammonia-free, low odor, low VOC and low in formaldehyde content.

Luciana Fonseca, Head of Product Management and Business Development, Coatings, Adhesives & Sealants Business, Archroma, comments:

“1K waterproofing mortars offer environmental and simplified-handling advantages for the building and construction sector. Add to that the performance boosts made possible by our Mowilith® POWDER 2702 and you have an innovation to viably extend 1K systems to the market. A specific customer has already tested and proven the benefits, so much so that they are all set to introduce a new product based on this solution. It’s a positive, sustainable step forward for the industry which we are pleased to support.”

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Source: Archroma
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