Help with Glue!!! - The Planted Tank Forum
 
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post #1 of 9 (permalink) Old 12-28-2008, 05:31 AM Thread Starter
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Help with Glue!!!

i really need help choosing the right glue so that i can stick my reflector light in to my acrylic hood... please help...
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post #2 of 9 (permalink) Old 12-28-2008, 05:58 AM
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How about silicone or double sided foam tape?

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post #3 of 9 (permalink) Old 12-28-2008, 06:10 AM Thread Starter
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does silicone will be okay from the heat?
cuz i also want to stick my ballast to the hood.
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post #4 of 9 (permalink) Old 12-28-2008, 12:25 PM
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Quote:
Originally Posted by fshfanatic View Post
How about silicone or double sided foam tape?
Both of these should be fine with the heat, just make sure the silicon cures for 24 hours. Personally I'd go with the double sided tape since silicon is messier and doesn't really bond well to acrylic, although it will be strong enough for this purpose. I know they make some incredibly strong double sided tape but I don't recall any brand names.

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post #5 of 9 (permalink) Old 12-28-2008, 01:14 PM Thread Starter
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thank you. Tomorrow i will go shop for the double sided tape..
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post #6 of 9 (permalink) Old 12-28-2008, 04:04 PM
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Two bolts and nuts would be a better choice. Nylon would be my preference.
Adhesives when properly matched to the materials are wonderful. For this situation nothing will more secure as mechanical fasteners. You will have repeated cycles of heating and cooling in a moist environment.
post #7 of 9 (permalink) Old 12-28-2008, 04:11 PM
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^ While I agree with that post, I will also say that liquid nails is what I used to glue my light to the inside of a plastic hood for my 5g. It holds up to extreme temperature fluctations, and high humidity levels. I went through this ordeal a few months back, and I even started a similar thread to this one, and the best responses I was getting were to use epoxy. That was just a bit more work than what I needed, though, because I didn't care if it came out messy (it wouldn't be visible!). But marine epoxy is probably the absolute best adhesive you could use for this type of application.

I still recommend liquid nails, though! It worked for me. Just goop it on there, let it dry somewhere for several days to make sure it cures, then it's like cement!
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post #8 of 9 (permalink) Old 12-28-2008, 04:29 PM
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The problem with adhesives is that they are permanent. If you ever want to remove or replace the parts you glued in place it can be very difficult to do so, and usually ruins the parts you remove. Much better is to use screws and nuts, and not difficult to do either, plus no wait for the screws to cure.

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post #9 of 9 (permalink) Old 12-28-2008, 04:45 PM
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But screws are unsightly when they have to penetrate through to a visible area.
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