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Here you'll find a selection of frequently asked questions and answers for a quick overview.
Cleaning solar panels is important because contaminants such as pollen, dust, or bird droppings can reduce the light transmittance of the panel surface. This reduces the power output of the photovoltaic system. Specialized cleaners are often used for gentle cleaning, such as photovoltaic cleaning products from Emil Otto.
The right flux promotes uniform and controlled tinning of the strands and improves wetting with the solder. At the same time, it is essential to ensure that neither flux residue nor flux penetration into the cable or strand insulation compromises the subsequent reliability of the connection.
Solar fluxes help ensure stable and durable solder joints in cell bonding. Optimized flux technology can have a positive impact on process reliability, electrical reliability, and long-term module performance.
Any remaining flux residue must not impair the electrical performance or long-term functionality of the cable connection. Of particular concern are potential corrosion and an excessively low surface electrical resistance (SIR).
In addition to protecting against rust and moisture, VO anti-rust oil can lubricate moving parts and protect them from wear. This makes it particularly suitable for providing seasonal protection for machinery and components during extended periods of damp weather.
Even minor deviations in the brazing process can permanently impair the functional properties of nitinol. In particular, the shape memory effect and superelasticity are sensitive to thermal stresses. Therefore, precisely controlled temperature profiles, appropriately selected solder alloys, and suitable fluxes are necessary to preserve the material properties.
Water-based fluxes are formulations that use water as a carrier medium instead of alcoholic solvents such as IPA or ethanol. They contain organic, halogen-free, and resin-free activators that specifically remove oxide layers from metallic surfaces. Emil Otto develops such systems with optimized drying properties that enable uniform wetting, stable soldering processes, and residue-free results.
The key advantage lies in reduced dependence on volatile commodity markets while maintaining consistent process quality.
Specially developed cleaning agents are suitable for photovoltaic modules; they remove dirt without damaging the glass surface or the modules’ coatings. Professional cleaners, such as Emil Otto’s photovoltaic cleaning products, are frequently used in the solar industry.
The flux must remain sufficiently active throughout the required temperature range of the soldering process. This is particularly important at higher solder bath temperatures and in processes where wire strand coatings are thermally removed during soldering.
Professional cleaning products are specifically designed to meet the requirements of photovoltaic systems. They remove contaminants such as pollen or dust without damaging the module surface. One example is Emil Otto’s range of cleaning products, which were developed for use in the solar industry.
