Safeguarding Essential Solar Components: Utilization of 2K Silicone Sealants for Photovoltaic Electronics
The WEVOSIL 2210x series of silicone potting compounds, specially developed by Wevo for modern electronics, offer a unique combination of effective heat dissipation, high insulation properties, and heat resistance. These compounds are particularly beneficial for solar photovoltaic (PV) systems, providing several key advantages.
Improved Heat Dissipation
The WEVOSIL 2210x series boasts self-adhesive properties that support reliable heat dissipation. This feature helps reduce thermal stress on sensitive electronic components such as power electronics, circuit boards, and wire bonds. By improving the overall thermal management of PV components like microinverters, optimizers, and safety switches, these compounds enhance their long-term reliability and cost-effective operation.
Robust Electrical Insulation
The WEVOSIL 2210x series offers high dielectric strength and heat resistance, providing robust electrical insulation essential for outdoor and safety-critical PV components. Their low Shore hardness and viscosity help minimize mechanical stresses such as vibration and temperature cycling, preventing cracks, delamination, and solder joint damage.
Fire Safety Compliance
These silicone potting compounds meet stringent fire safety standards with UL 94 V-0 certification, reflecting excellent flame-retardant properties. This makes them suitable for installations close to buildings or in large industrial solar power systems where fire safety is critical.
In summary, the WEVOSIL 2210x series acts as a multi-functional potting solution for solar PV electronics. It ensures efficient heat dispersion, reliable electrical insulation, and compliance with fire safety norms — all of which contribute to enhanced durability and safety of photovoltaic installations. These compounds are particularly useful for sealing junction boxes and connectors in solar photovoltaic systems, providing reliable protection under extreme temperature changes, harsh weather conditions, and high mechanical stresses, including for components with complex geometries. Furthermore, these materials are the ideal choice for series production of demanding components in state-of-the-art PV systems, as proven in practical applications. Integrated bypass diodes in solar modules also benefit from the use of these 2K material systems. Silicone potting compounds from Wevo ensure reliable sealing against moisture and UV radiation in PV junction boxes, connectors, and cable systems, making them an indispensable component in the solar PV industry.
[1] WEVO-CHEMIE GmbH. (n.d.). WEVOSIL 2210x Series. Retrieved from https://www.wevo-chemie.com/en/products/silicones/potting-compounds/wevosil-2210x-series/
[2] WEVO-CHEMIE GmbH. (n.d.). WEVOSIL 2210x Series - Technical Data Sheet. Retrieved from https://www.wevo-chemie.com/media/filer_public/2017/07/26/wevosil-2210x-series-technical-data-sheet_en_v1.1.pdf
[3] WEVO-CHEMIE GmbH. (n.d.). WEVOSIL 2210x Series - Application Guide. Retrieved from https://www.wevo-chemie.com/media/filer_public/2017/07/26/wevosil-2210x-series-application-guide_en_v1.0.pdf
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