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Electrolube to Unveil PUR & Epoxy Resins for Encapsulation at Electronex

Published on 2016-09-08. Author : SpecialChem

PUR and Epoxy Resins for LED Market
PUR and Epoxy Resins for LED Market

Electrolube will showcase a new era of encapsulation resins for LED manufacturers on Stand B12 at Electronex electronics design and assembly expo at the Australia Technology Park in Sydney from September 14-15.

New Encapsulation Resins for LED


Thermally Conductive Epoxy Resin System


Electrolube’s epoxy resin portfolio includes a variety of clear, white and black single- and two-part products with a host of useful properties to meet most requirements from potting and sealing to dipping, including exceptional electrical and thermal characteristics, flame retardancy and resistance to chemicals and fuels.

  • ER2224: A modified formulation of the company’s ER4001 thermally conductive epoxy resin system, which offers an improved method of cure and subsequent health and safety benefits for the user. It is particularly suited to automotive applications (for both traditional and electric power train types) that generally require high thermal conductivity and good thermal cycling performance. The new resin is also ideal for use in LED lighting units where it helps to promote heat dissipation and prolong unit service life.

PUR Resins for LED Lighting Manufacturers


Electrolube will also launch two new polyurethane resins at Electronex, which are specifically aimed at helping LED lighting manufacturers provide environmental protection for their products.

  • UR3638 is a tougher and low exotherm version of its 3634 product, providing a clear, transparent finish. The low exotherm of the UR3638 resin makes it particularly suitable for applications involving the encapsulation of larger LED lighting units. It is an aliphatic polymer offering superior UV stability as well as excellent transmission of visible light, making it an ideal resin for white light LEDs.
  • UR5639 is the second new polyurethane resin to be showcased at the show. UR5639 is a low exotherm, low viscosity, low hardness, flexible, clear/transparent resin designed for encapsulating a variety of electrical components, but particularly LEDs. The level of flexibility achieved by the cured resin means that the connecting legs of components are not placed under high levels of stress during the cure.

New Resin for White Light LEDs

Electrolube's polyurethane resins come in white, black, blue, clear straw, hazy/cloudy and optically clear formulations and, in common with the epoxy range, offer a host of properties to meet the needs of high-temperature environments and those exposed to chemical contamination, mechanical stress or shock and moisture ingress.

As with some types of polyurethane resin, optically clear silicone resins, such as Electrolube's SC3001, have superior resistance to UV light, and have been shown to maintain their clarity throughout rigorous laboratory exposure testing regimes. This well-documented UV resistance makes them ideal for LED applications where resin color stability is important to achieving minimal color temperature shift of the LED lighting unit itself.

The majority of Electrolube resins are two part systems that, when mixed together in the correct ratio, react to form polymeric materials. By careful formulation, the properties of the cured resin can be tailored to meet individual customer requirements.

About Electrolube

Electrolube, a division of H.K. Wentworth Limited, is a leading manufacturer of specialist chemicals for electronics, automotive and industrial manufacturing. Core product groups include conformal coatings, contact lubricants, thermal management materials, cleaning solutions, encapsulation resins and maintenance and service aids.

The extensive range of electro-chemicals at Electrolube enables the company to offer a ‘complete solution’ to leading manufacturers of electronic, industrial and domestic devices, at all levels of the production process. Through collaboration and research, the company is continually developing new and environmentally friendly products for customers around the world and their commitment to developing ‘greener’ products has been endorsed by the ISO 14001 standard for the highly efficient Environmental Management System in place at the company.

Winners of the Queen’s Award for Enterprise 2016, Electrolube is now represented in over 55 countries with an established network of subsidiaries and distributors. By offering genuine security of scale and a reliable supply chain, the company is able to deliver a truly tailored service.

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Source: Electrolube
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