Sealing bulk head

FragIt Dan · #1 03-06-2012, 04:34 AM

I use silicone on my gaskets, but not silicone glue. The glue is a pain in the but to clean off. I use silicone gel from SCUBA shops (I am a diver and so have lots around). It is food grade, inert, and keeps the seal on 3000psi orings from leaking on my scuba tanks. It also allows easy r&r if you need to replace it later and it allows for some give (it is a lubricant) to rotate your bulkhead on the tank. I have it on several connection points in my tanks that I want to seal but also may want to remove later.

Aquattro · #2 03-06-2012, 05:40 AM

Epoxy? What kind? This is just a sliver of a chunk that flaked off, not sure there's enough surface for epoxy. Or where to get it. I think silicone is probably easier, and I have it on hand.

unclesalty · #3 03-06-2012, 06:05 AM

Quote:

Originally Posted by Aquattro

Epoxy? What kind? This is just a sliver of a chunk that flaked off, not sure there's enough surface for epoxy. Or where to get it. I think silicone is probably easier, and I have it on hand.

If its not deep I wouldn't worry about using epoxy then. Mine was on the outside of tank but I'm kinda picky so I filled it with epoxy then sanded it level. I probably could of just left it be but.... The windshield repair places use a more expensive special epoxy but I just used just regular 2 part epoxy that can used on various surfaces including glass and bought just about anywhere.

lastlight · #4 03-06-2012, 02:15 PM

you could drill the same sized hole (without a chip) in a patch piece of glass. Silicone that to the inside of the tank and then use your bulkhead. Just be like having thicker glass is all.

Aquattro · #5 03-06-2012, 02:20 PM

Quote:

Originally Posted by lastlight

you could drill the same sized hole (without a chip) in a patch piece of glass. Silicone that to the inside of the tank and then use your bulkhead. Just be like having thicker glass is all.

Can't say I've ever drilled a hole without getting a chip in it

Then if I have to silicone the new piece, it's just like siliconing the the chip

lastlight · #6 03-06-2012, 02:37 PM

Lol so you're always gasketing over chips... this one's just a bit bigger is all

I've had to install a bulkhead from the other side before and it never leaked. Is the other side chipped too? You're only concerned with the side that touches gasket...

Aquattro · #7 03-06-2012, 03:17 PM

Ya, both sides

Usually the areas don't extend past the gasket, but this time it was a bit more. Might try duct tape...