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HVAC R22 mineral oil

https://mail.autoacforum.com/viewtopic.php?t=124

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HVAC R22 mineral oil

Posted: Fri Jul 08, 2016 1:20 am
by emsvitil
Is the mineral oil for R12 the same as for R22?

I have some 525 viscosity mineral oil for R12, can it be used with R22?

I'm having trouble finding specs on what mineral oil to use for R22



thanks

Re: HVAC R22 mineral oil

Posted: Sat May 20, 2017 1:58 am
by WalterBurton
Yes.

Re: HVAC R22 mineral oil

Posted: Thu May 25, 2017 5:17 am
by Dougflas
No it is NOT. Automotive R12 uses viscosity 525 while R22 uses 150 depending upon the evap temperature. Goggle 3g, 4G, and 5G
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