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Posted by: kojak

01/25/2006, 03:47:09

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I need to waterproof a shaft with electronic component inside. Will someone advise me what kind of sealant could be used at temperatures ranging from -20 ~ 80 deg C.

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Re: water-proofing
Re: water-proofing -- kojak Post Reply Top of thread Forum
Posted by: randykimball
01/25/2006, 23:32:49

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I assume you are intending to seal up an end after the device has been installed. I'd try an epoxy or JB Weld. I know of several places JB Weld has been used to repair engines and remained in place for years.

My '77 land cruiser once took a rock through three core tubes in the radiator up in the high rockies with no way out except to make a repair. I removed the radiator and cleaned the area on the tubes. Then I took the JB Weld from my emergnecy kit (glad I had thought to put it in) and sealed off the holes in the tubes. That was three years ago and it is still not leaking a drop. This certifies that JB Weld will work at over 100 C and seals against water and coolant.

The worst suggestion of your lifetime may be the catalyst to the grandest idea of the century, never let suggestions go unsaid nor fail to listen to them.

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