Manufacturing / Production Technology, Hardware & Services


Flame-retardant resin for LED luminaires

1 January 2018 Manufacturing / Production Technology, Hardware & Services

Electrolube has launched a new encapsulation resin, believed to be a market-first solution. The optically clear polyurethane resin, UR5641, has been developed to meet the increasing demands from LED lighting manu­facturers for an optically clear, flame-retardant resin.

The new two-part, semi-rigid resin cures to provide a flexible, protective and aesthetically pleasing covering over the luminaire elements, and the aliphatic chemical nature of the cured resin is naturally resistant to the yellowing effects of UV light, making it useful for a range of outdoor as well as indoor applications.

UR5641 is also scratch resistant and offers high resistance to weather, acids and alkalis, water and mould growth. Due to a carefully selected blend of components, an extremely durable, low viscosity system is achieved which can be used for a wide variety of applications. UR5641 has a wide operating temperature of -40°C to +120°C and thermal conductivity of 0,20 W/m.K.



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