LIGHT CAP® LED Casting Resin

LIGHT CAP® 9622 cures in seconds with UV/Visible light and is ideal for rapid, room-temperature coating of LED arrays. This very low VOC LED coating features a high viscosity for dome shapes to rapidly form protective optical lenses for high-intensity LEDs. 9622 exhibits high light transmittance as well as resistance to long-term UV exposure.

This product is optimized for applications where production speed is critical and the continuous operating temperature is below 100°C. The material is one part, so no mixing is required. 9622 also has a durometer between silicone and epoxy.

LIGHT CAP® 9622 Applications Include:

  • LED die attach
  • Colorless cavity molding
  • Instant casting of LEDs

Dymax materials are solvent free and cure upon exposure to light. Their ability to cure in seconds results in lower processing costs. When cured with Dymax UV light curing spot lamps, focused beam lamps, flood lamps, or conveyor systems they deliver optimum speed and performance for maximum efficiency. Dymax lamps offer the optimum balance of UV and visible light for the fastest, deepest cures. LIGHT CAP® 9622 is in full compliance with the RoHS Directives 2002/95/EC and 2003/11EC.


Viscosity (nominal):  12,000 cP

Uncured Appearance:  Clear transparent gel

Refractive Index (20°C):  1.50

Applications & Features

  • Instant casting of LEDs
  • LED die attach
  • Colorless cavity molding
  • Rapid forming of protective optical lens for high intensity LEDs


  • Halogen-free
  • UV/Visible light cure for fastest processing
  • Low VOC
  • High viscosity for dome shape
  • One part, no mixing required
  • Heat resistant to 100°C
  • Resistant to long-term UV exposure
  • High light transmittance
  • Durometer between silicone and epoxy

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