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Adhesives and Sealants for Lighting

Solid foundation for subcomponents and larger assemblies

Adhesives and sealants play a crucial role in the structural integrity of LED lamps and luminaires, shielding electronics from environmental stress and moisture. These products ensure components, such as module lids and base plates, provide a secure structure base for subcomponents and larger assemblies.

Dow’s innovative lines of silicone-based adhesives and sealants are proven performers that offer several advantages to LED lighting manufacturers and designers.

  • Stress relief: Our adhesives have stress-relieving properties that can significantly increase reliability of electronic modules or components. Unlike traditional, highly rigid adhesives, their soft elastomeric nature lowers stress and reduces damage to module components and interconnections, even in extreme environmental conditions like high temperature and humidity.
  • Processing options: Our solutions are customized to address preparation and cleaning, curing, flow properties, multiple adhesive components, primers and dispensing. We are committed to helping you achieve optimum process efficiency and continue to innovate in developing next-generation adhesives that can be applied faster and cure quicker with no loss of strength.
  • Enhanced protection: Our latest adhesive products offer improved protective layers over metals for enhanced corrosion protection and reduced metal migration. This is an important benefit for certain electronic applications, such as protection of the electrodes of today’s flat panel displays.

Sealing, bonding and adhering options

Dow offers a full range of non-corrosive silicone products for electronic sealing, bonding and adhering applications. These adhesives generally fall into three cure types:

One-part moisture cure (RTV) silicones

  • Silicone elastomers commonly used for sealing modules and housings, as well as gasketing
  • Non-flowing and flowable options
  • Cure at room temperature
  • Good dielectric properties
  • Resist humidity and harsh environments

Two-part room temperature condensation cure elastomers

  • Silicone elastomers used in lid and housing seals and in gasketing applications
  • Non-flowing and flowable options
  • Rapid room-temperature and deep-section curing
  • Non-corrosive

Heat cure silicone elastomers

  • Allows rapid processing for sealing lids and housings as well as gasketing
  • Non-flowing and flowable options
  • All convert to durable, relatively low stress elastomers
  • Most will develop good, primerless adhesion to a variety of common substrates including ceramics, reactive metals and filled plastics


Resources

Quick Links

LED lighting product selection guide
Find out more about silicone innovations for high-performance lighting.

Adhesives and sealants for electronics
Learn more about our products for electronics applications.