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Académie
HVAC
Universal R-410A Safety Certification
Compatible Oils & Materials
Vérification des connaissances
Compatible Oils & Materials
Vérification des connaissances
Vérification des connaissances
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Which sealing material is NOT compatible with R-410A systems due to chemical incompatibility?
A
Neoprene (chloroprene rubber) - swells and degrades rapidly when exposed to R-410A
B
PTFE (Teflon) - chemically inert to all refrigerants and lubricants
C
Viton (fluoroelastomer) - rated for HFC refrigerants and POE lubricants
D
HNBR (hydrogenated nitrile butadiene rubber) - rated for R-410A and most HFCs
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