PV Rail and Bonding Pad Adhesives

Silicone sealants possess unique properties and benefits that make them the materials of choice

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Enhance installation efficiency, cost savings and performance

Installers, integrators and module manufacturers can depend on the proven performance of DOW CORNING™ brand PV solar sealants and adhesives for cost-effective, durable mounting of solar panels. Rail bonding solutions from Dow use a silicone adhesive to structurally attach glass, metal or other PV module material to the supporting structure (rail or pad).

Specifically designed and tested for structural application in the PV industry, silicone rail bonding technology from Dow can:

  • Enhance the mounting process, enabling a lower installed cost per MWp
  • Enable on-site ease of installation compared to mechanical mounting hardware, such as brackets, clips and screws
  • Reduce material and installation costs
  • Reduce module damage from stress points caused by the mounting hardware

Silicone sealants possess unique properties and benefits that make them the materials of choice for solar industry applications.

Dow’s PV sealants and adhesives expand manufacturing options with competitive features and a range of product properties. With room-temperature cure and low-VOC options available, customers can find the best sealant to meet all solar adhesive needs.

Silicones outperform typical PV tapes in frame sealing and rail bonding applications

DOW CORNING™ PV sealants and adhesives outperform typical PV tapes, improving durability of solar frame and rail components by providing protection from moisture and environmental attack, as well as mechanical and thermal shock and vibration. Recent testing of DOW CORNING™ brand silicone frame sealing and rail bonding solutions against two well-known global brands of photovoltaic (PV) tape showed that DOW CORNING™ silicone products outperformed tapes in cohesive failure and shear strength tests.

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DOW CORNING™ Rail Bonding Solutions vs. PV Tapes: Cohesive Failure

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DOW CORNING™ Rail Bonding Solutions vs. PV Tapes: Lap Shear Strength

Learn more about Dow's solutions and advantages for PV module installation:

Contact us about our performance enhancing
Silicone-based solutions