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Silicone Potting Materials
for LED Lighting


Greater reliability and protection LED lamp and luminaire

Ensure reliable performance from LED modules in even the toughest conditions with a better seal using Dow Corning® silicone potting materials. These high-flow materials protect system components, including connectors, circuit modules and power supplies.

Seal, cushion, insulate, protect
These gel-like materials are a special class of soft encapsulants that offer high levels of mechanical and thermal stress relief to sensitive circuitry. They serve as dielectric insulation and protection for circuits from dust, moisture and other contaminants while dissipating damaging heat and absorbing component noise. With reliable thermal conductivity and relative thermal indexes reaching as high as 150°C, these materials help ensure long-term reliability and lower lifetime costs for your LED lamp and luminaire design. Select between heat or RT cure profiles to expand manufacturing flexibility and reduce processing cost.

Dow Corning® silicone potting materials come in a range of product lines for different applications:

  • Standard gels – for applications that call for thermal/mechanical shock and vibration damping, excellent dielectric properties, a flexible cure schedule, and physical and electrical stability over a wide temperature range (-45 to 150°C/-49 to 302°F) and are compatible with automated dispensing equipment
  • Low-temperature gels – for applications requiring low-temperature performance
  • Toughened gels – for use where chemical adhesion and dimensional stability are required
  • Specialty gels – for applications requiring low extractables, ultra-violet (UV) cure, or resistance to solvents and fuels
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PCBs in LED video wall and sign applications.


LED Lighting Product Selection Guide
Find out more about silicone innovations for high-performance lighting.
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