best anti seize for hot parts

[daleyd]

I used to work on industrial oxidisers and dryers, we used to run them to temps up to about 1200 deg C. Stainless bolts after they had been through a heat cycle were a nightmare if they were fitted without any anti seize.

We used to use molykote products, there were a few types we used. Can’t recall the name but I’ve got a few tins kicking around the garage I’ll have a look later.

 

[graffian]

Loctite N7000 can says good to 1315C

 

[steveo3002]

@steveo3002 I did say it was costly… very rarely have disassembly issues compared with other similar products…

i could go for that its not as dear as some of them mentioned here, no point in saving a fiver and it doesnt work

 

[Rrobson]

@daleyd

We’ve used molykote high temp for a number of years. Very average at best, plus on components containing chromium it creates an occupational hazard… (chromium 6 in a powder form, not great for health as it combines with water to form an acid)

 

[Blobber]

Being old school ive always used copper slip and never had a problem, dont know if the next person that had to visit the repair did!

 

[JOEPRO]

I use this stuff on glow plugs & Fuel injectors. I have had to go back to remove them a few years later and they came out easily. Grease still doing its job. Its essentially a high quality ceramic grease

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[daleyd]

@daleyd

We’ve used molykote high temp for a number of years. Very average at best, plus on components containing chromium it creates an occupational hazard… (chromium 6 in a powder form, not great for health as it combines with water to form an acid)

I must say that’s not my experience of molykote products that we used, for over 10 years (that’s how long I worked there but the company had been using them a lot longer) in extreme high temp applications. I always found them pretty good, but each to their own I guess.

For high chromium applications they used to do a high temp anti seize that didn’t react, iirc - I’ll try and dig up a link later

 

[Rrobson]

I was only referring to the high temp anti seize. We do use other molykote products for various things which are fine. But with high temp the difference has been like night and day between the two. Previously certain applications would always historically result in machining of studs with other anti seizes, where with the new stuff they come out.