KEIMSoldalit®-ME is a highly specialized, sol-silicate exterior paint with a photocatalytic action for organic, mineral, and mixed substrates and on ETICS. Photocatalytically active, it reduces harmful gases (e.g. NOx, VOCs) and organic pollutants.
Photocatalytic effect
Facing the continuously growing traffic volume, clean breathing air becomes an ever more valuable commodity. But cities and communities struggle to achieve climate improvements. Up to now, traffic regulating measures have not really been successful.
Mineral facades can also work as a catalyst like ceramic in a catalytic converter. You only need KEIMSoldalit®-ME and light. This principle is called catalysis: A substance is stimulated by light to initiate a chemical reaction, without being consumed. This activates oxidation processes and organic substances and nitrogen oxides are decomposed. Thus, facades coated with KEIMSoldalit®-ME can promote the decomposition of air pollutants. Plus, photocatalysis reduces the accumulation of spores.
Functional principle
Specific mineral pigments in KEIMSoldalit®-ME paint are responsible for this chemical process. To add those to common dispersion and silicone resin paints is difficult because their binding agent would become affected by entailing sanding and the much-shortened longevity of the coating. KEIMSoldalit®-ME‘s photocatalytic effect was not only tested and proven in the laboratory but also through field trials.
Clean facades with an environmental benefit
This photocatalytic effect can also decompose algae and organic dirt - another advantage besides the already excellent dirt resistance of silicate surfaces. A small commitment to the environment and an extra reward.
Benefits
- Binder basis: a combination of silica sol and water glass (= sol-silicate)
- Multi-purpose application
- Photocatalytic action
- Without the addition of biocides
- Reduces toxic gases (e.g. NOx, VOCs) and organic pollutants
- UV- and acid-resistant, anti-static
- High weathering resistance
- Alkaline, therefore no pot preservatives
- Non-flammable
- Lightfast pigmented
- Mineral matt
- Water vapor permeable, non-film-forming, microporous
- Highly water-repellent
- No solvents and plasticizers added
- Prevents growth of mildew and algae thanks to ideal moisture balance
Overview of KEIM Soldalit® system products
| Products | Effect | Technology |
| KEIM Soldalit® | Universal use on any façade substrate (old or new) | Sol silicate technology |
| KEIM Soldalit®-Coolit | Less tension in the rendered structure by reducing solar heating | Coolit-Technology |
| KEIM Soldalit®-Arte | Particular color depth and aesthetics together with a vibrant surface appearance | No titanium dioxide |
| KEIM Soldalit®-ME | Reduces air pollutants, soiling, and growth of microorganisms | Photocatalysis |
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