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Tried using that new high-temp thread sealant on a boiler feed line, and it basically turned to dust after a week.
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caleb_coleman886mo ago
Yikes, that's rough. I've had the exact opposite happen, honestly. Used the white Permatex high temp stuff on a steam line years ago and it's still holding. You sure it was rated for the actual service temperature? Some of those "high temp" labels are pretty optimistic.
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leem346mo ago
That Permatex tube says 650 degrees max.
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