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Electrolube Launches Optically Clear Flame Retardant PU Resin for LED Platform

Published on 2018-03-16. Author : SpecialChem

TAGS:  Polyurethane Adhesives    

Electrolube Launches Flame Retardant PU Resin
Electrolube Launches Flame Retardant PU Resin
Electrolube has developed first UR5641 encapsulation PU resin that meets the UL94 V-0 standard for the LED market. Unlike traditional liquid flame-retardants that tend to be halogenated, Electrolube’s UR5641 does not contain any filler and has the additional benefit of being halogen free.

Electrolube’s UR5641 is based upon aliphatic urethane chemistry, which is naturally resistant to the yellowing effects of natural light, making it useful for both exterior as well as interior applications.

Properties of the New UR5641 Resin

The new resin is eminently suitable for the protection of LED luminaires exposed to hazardous atmospheres, such as emergency lighting, or lighting intended for installation in ATEX rated/zoned environments. Also, below mentioned are some of the properties of the new resin:

  • UR5641 cures to provide a flexible, protective and aesthetically pleasing covering over the luminaire elements.
  • The resin also offers high resistance to weather, acids and alkalis, water and mould growth.
  • UR5641 is a two-part, semi-rigid, optically clear, flame retardant polyurethane resin that meets the UL94 V-0 standard.
  • Due to a carefully selected blend of components, UR5641 is an extremely durable, low viscosity system that can be used for a wide variety of applications.

The UR5641 Resin’s Numerical Demonstration

The UR5641 resin demonstrates high dielectric strength at 11 kV/mm, excellent thermal conductivity of 0.35 W/m.K and provides a wide operating temperature range between -40 to +120 °C.

The RoHS-2 compliant resin also provides a cure time within 24 hours at 23°C or 4 hours at 60°C.

Ron Jakeman, Electrolube Managing Director, said:

We have been frequently asked over quite some time about a fully clear, flame retardant resin system, and saw an opportunity to provide a solution for the LED market, where our reputation for providing high performance, reliable chemistry solutions is growing considerably. Electrolube is fast becoming the go-to resource for specialist technical solutions that solve customers’ manufacturing problems and help them bring high-quality products to market faster. The UR5641 is a world-first product, genuinely offering a fully transparent, UL94 V-0 flame retardant solution to the LED market. We have now launched the product globally and are very excited about the feedback we are receiving from customers currently testing the resin.”

Source: Electrolube
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