Show news: Weiss Technik presents new innovative refrigerant for climate test chambers

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WT69, a new refrigerant designed to replace R23 in deep-freeze applications ahead of the introduction of new EU refrigerant regulation / F-gas Regulation 517/2014 on 1st January 2020, was showcased at Automotive Testing Expo Europe 2019.

The result of several years of development by Weiss Technik and Dresden University of Technology, WT69 has a global warning potential (GWP) value of 1357, representing a 90% reduction in GWP on the outgoing R23 refrigerant. This makes WT69 appropriate for use in deep-freeze applications reaching temperatures as low as -70°C (-94°F).

The release of WT69 follows more than 100,000 hours of testing in 20 system configurations over a period of three years. By the end of the this year, WT69, which is non-toxic, non-flammable and non-corrosive, will be used in all compact ClimeEvent standard climate test chambers with a cooling rate of 3-5K. From 2020, vibration cabinets and larger climate test chambers with temperature-changing rates of up to 20K will also use this new refrigerant.

“WT69 isn’t just another refrigerant, it’s a real innovation for deep-freeze applications and a real replacement for R23,” said Janko Förster, head of product management, Weiss Technik. “It fulfills technological, ecological and economic demands perfectly.”

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Rachel's career in journalism began around five years ago when she started working for UKi Media & Events, having recently graduated from Coventry University where she studied the subject. Her favourite aspect of the job is interviewing industry experts, including researchers, scientists, engineers and technicians, and learning more about the groundbreaking technologies and innovations that are shaping the future of the automotive and tire industries.

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