High Temp oil comparison

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Hello,
I'd like to get your advice concerning High Temperature oil.
Actually, I'm looking for a lubrication for a motor gearbox bearing assembly operating at 260 degC (500degF).
I'm particularly worried about the wide viscosity range, and the fluidic losses in my motor at ambient temp.
As I already pointed Krytox107 for my application, could you propose me some alternative and their pros/cons...
Thanks

2/15/087:14 AM

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lumskMember

Hello nico166,
In the first place, why is your motor gearbox operating at such high temperature?

In general, with a operating temperature above 200 degC, you do not have much options but to go for a PFPE based oil.

Regards,
Kai

2/25/0812:55 AM

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michealMember

quote:
In the first place, why is your motor gearbox operating at such high temperature?

In general, with a operating temperature above 200 degC, you do not have much options but to go for a PFPE based oil.

Regards,

Yes, and you can try the grease thickened with polyurea.

3/3/089:46 PM

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wangcyMember

quote:
Originally posted by LumSK:
Hello nico166,
In the first place, why is your motor gearbox operating at such high temperature?

In general, with a operating temperature above 200 degC, you do not have much options but to go for a PFPE based oil.

Regards,
Kai

You can try a production which PPE based oil.

3/12/088:51 PM

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