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What is the status of using ultraviolet (UV) or fluorescent dyes in an HFO-1234yf system?

Approved by all vehicle manufacturers

Unapproved by any vehicle manufacturers

Approved by some vehicle manufacturers but not by others

The status of using ultraviolet (UV) or fluorescent dyes in an HFO-1234yf system is classified as approved by some vehicle manufacturers but not by others. This reflects the fact that while certain manufacturers have validated the use of these dyes for leak detection in their systems that utilize HFO-1234yf refrigerant, others may have specific reservations or preferences regarding the materials used in their systems. This variability in approval can be attributed to differences in manufacturing standards, vehicle design characteristics, and considerations regarding the chemical compatibility of UV dyes with HFO-1234yf.

Overall, this answer highlights that there is not a uniform consensus across the automotive industry, allowing for some manufacturers to adopt the technology while others may not endorse it for various reasons.

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Only approved for specific brands

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