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Electrolube Extends In-house Testing Facility with Thermal Shock Chamber
April 6, 2016 | ElectrolubeEstimated reading time: 3 minutes
Electrolube, the global electro-chemicals manufacturer, has recently invested in a cutting-edge Thermal Shock Chamber, enhancing its sequential in-house testing capabilities. The test laboratory grade system can achieve a rate of change of temperature close to 40°C per minute, and has a working temperature range from -65°C to +200°C, facilitating severe testing of electronic assemblies, representative of real environments, which is particularly critical for those destined for military and harsh automotive applications.
A thermal shock chamber cycles rapidly from low to high temperatures to study how test specimens, contained within the chamber, cope under such conditions, including the effects of rapid expansion and contraction on PCB substrates, coatings and adhesives. The hot and cold cycles make the test subject expand and contract rapidly. Due to the variety of thermal coefficients of expansion of the materials used in the construction of a printed circuit board (PCB) this places significant stress on the test substrate. If the item is coated with a conformal coating or encapsulated with a resin this can often crack due the accelerated change – effectively a ‘Thermal Shock’; when a material just can't catch up to the rate of the environmental temperature change surrounding it. Other complications can also result from this kind of extreme temperature change, such as a loss of adhesion.
Thermal shock testing is an ever-growing issue as manufacturers increasingly adopt solvent-free materials that make up the bulk of Electrolube's product portfolio. Thermal shock is one of the main challenges to this technology, so Electrolube will also use the new test equipment, which is in situ at both of its key manufacturing sites in the UK and China, to speed the development of robust VOC-free products and their time-to-market.
Investment in such equipment is rare among developers and suppliers of electronics protection systems, who would normally use the services of a third party test house to establish the capabilities of their products. Through investment in the Espec state-of-the-art system, Electrolube has extended their facility to run individual thermal cycling routines, which considerably improves its responsiveness to clients facing short design-to-manufacture lead times.
In addition to these client services, the thermal shock chamber provides an even more advanced in-house testing platform for Electrolube's own product development programme, enabling formulations to be tested and developed on an increasingly rigorous, shorter timescale and avoiding external test-house schedules. Thermal shock is the hardest test of all and is followed by corrosive gas, salt-mist testing and longer-term exposure to elevated temperatures and humidity. Electrolube’s enhanced testing procedure is second to none and provides customers with an all-encompassing sequential testing programme.
Electrolube’s Managing director, Ron Jakeman, comments, "Our investment in a top-of-the-range thermal shock test chamber is further evidence of our company's commitment, not just to developing the best electronics protection formulations available today, but to giving our clients even better access to facilities that would normally only be available from professional testing laboratories. Instead of using 5 separate test conditions to mimic the life of the PCB, test coupons are subjected to the entire environment in order to understand whether the layer of protection can last, following attack from different environments. Our sequential testing process, rather than conventional separate tests from test houses, enables us to offer customers an even greater insight into how consecutive corrosive environments impact on the long-term performance of assemblies. Extending our laboratories with the most advanced thermal shock system is yet another example of Electrolube's determination to be the best provider of specialist products and related services to the electronics industry."
For further information, please click here.
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.
Electrolube is 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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