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Re: [PSUBS-MAILIST] sikaflex suggestion



Good luck Vance. The quick and dirty seems right for my small viewports. Don't foresee
any removal in the near future. Besides I have always enjoyed destruction ehheheh
 
Dean
 
In a message dated 7/16/2009 9:17:29 A.M. Central Daylight Time, vbra676539@aol.com writes:
Yeah, understood. The point to RTV for George was that it serves both as gasket and sealant, ie., quick and dirty, and it works. Not fun later, as I said, but it's great stuff. I was thinking of cutting thin red rubber gaskets (1/8" thickness) then using a thin coating of RTV on both sides. That would give me the soft barrier and less vulcanized goo down the road. Wish me luck
Vance


-----Original Message-----
From: Recon1st@aol.com
To: personal_submersibles@psubs.org
Sent: Wed, Jul 15, 2009 9:05 pm
Subject: Re: [PSUBS-MAILIST] sikaflex suggestion

That is what I have heard about RTV. So I am assuming then you would use
Sikaflex. It sounds right but there about 400 different versions. Hard on a poor old
boy like me.
 
Dean
 
In a message dated 7/15/2009 7:39:06 P.M. Central Daylight Time, vbra676539@aol.com writes:
I haven't looked into it. Mine were bedded in RTV, which sealed effectively, but were not what I'd call great fun to get out again for paint, etc. Sikaflex doesn't cure the same way, and never takes a set. RTV is, of course, the acronym for room temperature vulcanizing, and they ain't kidding. It bonds and sets up something fierce. The other problem with it is that RTV can't be repaired. It won't bond chemically to itself once the original application kicks. Meaning that if you have a leaker, you get to try out the car jack again to break the port loose (and hope that the RTV is the ONLY thing that breaks). In either case, you have to start scraping and go back to square one. What a pain. Trust me, there will never be another submarine in my garage with goop sealed ports. Never.
Vance


-----Original Message-----
From: Recon1st@aol.com
To: personal_submersibles@psubs.org
Sent: Wed, Jul 15, 2009 8:20 pm
Subject: [PSUBS-MAILIST] sikaflex suggestion

I have been looking at sikaflex for my viewports and did not realize the number
of types.
 
Any suggestions on which one to use?
 
Dean