Environmental Protection for LEDs

The protection of an LED Luminaire and the supporting components is an important consideration for many LED designers
  • LED Encapsulants
  • Conformal Coating for LEDs
  • LED potting compounds
  • Optically Clear Resins
  • Light Diffusing Resins
  • Flame Retardant Optically Clear

The protection of an LED Luminaire and the supporting components is an important consideration for many LED designers. With the LED market expanding into more and more sectors, so too is the need to protect LEDs from the vast variety of different operating environments in which the LED is expected to perform.

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LED Industry

Environmental Protection for LEDs

UR5634 - Optically Clear Polyurethane Resin

UR5634
Optically Clear Polyurethane Resin

250g Resin Pack - 5 Kg Kit - 25kg

Product code: UR5634RP250G - UR5634K5K - UR5634K25K


A two-part, semi-rigid polyurethane resin which is a carefully selected blend of components specifically formulated to be optically clear, making it ideal for LED encapsulation or potting. Its water-white transparency makes it an excellent choice for use in both decorative and protective applications in the LED luminaires industry.

It exhibits superb weather resistance, as well as good resistance to acids and alkalis making it suitable for a wide range of environments and an extremely durable potting and encapsulation compound for use in a wide range of applications.

It is also strongly resistant to yellowing when exposed to UV light making it especially useful as an outdoor LED encapsulant or for use in other applications where it may be exposed to direct sunlight.

For Full product specs please see the TDS link below.


Key Properties:
  • Extremely durable, low viscosity system.
  • Can be used for a wide variety of applications.
  • Water white transparency; ideal for LED encapsulation.
  • 1:1 by volume mix ratio; aids ease of processing.
  • Does not contain IPDI; low hazard material.
  • High resistance to weather/UV, acids and alkalis, water and mould growth.
  • RoHS Compliant


Product data sheets
UR5634 (tds) Download

Log into our MSDS database for Safety Data Sheets: MSDS