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Does silicone sealant work with PVC?

Post about things you have launched or thought about launching. Also post about various materials used for building cannons. No posts about explosive projectiles!
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Does silicone sealant work with PVC?

Unread postAuthor: limbeh » Sun Aug 17, 2008 4:12 am

Hi,

Will silicone sealant stick to clear PVC sheet?

No, I'm not using it to glue PVC together, neither is the setup going anything higher than 2 bars pressure (30 psi). And well, this is not for spudgun use, I just need it to prevent water leakages. I'm making a crude camera housing for some random work (max depth of pool 3 m, so max pressure difference 1.3 bars).

Sorry for the stupid question, but I did a search and can't seem to come up with the topic that I'm looking for. Besides, I live in Singapore, in a crowded apartment, neighbours all around and my brother is a policeman (can't run from the police). What it means that I can't test a lot of stuff out for myself, so no choice but to ask you guys.

Hope this is polite enough for you guys; my english is not very powderful.
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Unread postAuthor: CasinoVanart » Sun Aug 17, 2008 4:36 am

Powederful enough.
Make sure that the surfaces are clean before applying the sealant and use it on the inside and outside.
Leak test it first.

I have used silicone sealant on similar materials with success. Just be sure to do a clean job.

Edit: It may help if you "marr" or roughly buff the surface to allow easy the silicone to stick better.
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Unread postAuthor: jackssmirkingrevenge » Sun Aug 17, 2008 4:41 am

Agreed with the above, with correct preparation it should work adequately.
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Unread postAuthor: jrrdw » Sun Aug 17, 2008 4:42 am

The best thing to do is get aquarium sealant, build the cube and put a piece of paper inside and place it in worse conditions then you plan on using your camera in. Do a over night test to be sure.
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Unread postAuthor: limbeh » Sun Aug 17, 2008 5:09 am

Thanks guys.

I knew I could count on you.

I would have tried it myself if I could, but I live in Singapore, where rules concerning spudguns are worse than anywhere (australia included), and my brother's a policeman, so there's no running from the police, they are there 24/7. Lol

On the same note, would anyone know if silicone would work on acrylic sheet too? I can get both easily, so thinking of a backup in case one or the other doesn't work.

Thanks!
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Unread postAuthor: CasinoVanart » Sun Aug 17, 2008 5:15 am

The similar material i used it on was Acrylic!
May the force be with you.

It does peel from Acrylic very easy, i recommend marring the surface.
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