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Sister Sledge |
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Sister Sledge World Chat Champion
Joined: 17 Aug 2018 Karma :
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Posted: 10:15 - 26 May 2019 Post subject: Advice on sealant/adhesive/mastic |
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Hey everyone I've a strange request for today..
I do several things in life and a hobby is making pretty metal things. Usually metal flowers but during a recent mooch through old photo folders I came across an old project I once did. Basically it was a metal butterfly but made with almost all recycled components. The metal was recycled stuff and the glass came from the rubble of a house demolition site.
Long story short this was over 12 years ago I think. I can't remember what I used to hold the glass into the steel frame.
I know it wasn't silicone sealant - the stuff basically degrades, comes away in places.
I think I used something like a fuel tank sealant.
Does anyone here work with such products and can help steer me to the correct stuff??
I'm about to run 4 or 5 of these out (plus other things such as fruit bowls) and need a suitable 'glue' to hold the glass.
I need slightly flexible because things expand and contract.
It needs to be room temperature curing.
It needs to be black.
It needs to set and not be sticky at all.
Silicone is an obvious one but to be honest I've never found a longish lasting one. I might have to use it if I can't find the right stuff.
Best close image I can find of it and in detail. There is no lead in it - simply glass held in a metal strip frame.
https://live.staticflickr.com/65535/47934744606_a9d0726ebb_b.jpgButterfly by Craig David, on Flickr
Cheers! ____________________ CCM 404 DS |
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Polarbear |
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Polarbear Super Spammer
Joined: 24 Feb 2007 Karma :
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Riejufixing |
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Riejufixing World Chat Champion
Joined: 24 Jun 2018 Karma :
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Posted: 10:39 - 26 May 2019 Post subject: |
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Something like Permabond UV670? https://www.glueonline.co.uk/acatalog/Two_Part_Epoxies.html Edit: oops sorry, forgot black, that one's transparent.
How come silicone falls to bits? I would have thought a decent neutral cure silicone would be good for the job, but perhaps "messy". |
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Sister Sledge |
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Sister Sledge World Chat Champion
Joined: 17 Aug 2018 Karma :
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Sister Sledge |
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Sister Sledge World Chat Champion
Joined: 17 Aug 2018 Karma :
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Posted: 10:43 - 26 May 2019 Post subject: |
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The stuff I used was a bit messy too and why some bits look 'amateur'.
With silicones I've found they get those odd 'whiskers' come away and look bad. One pull at it and it's ruined! ____________________ CCM 404 DS |
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Sister Sledge |
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Sister Sledge World Chat Champion
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Alanz1 |
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Alanz1 Derestricted Danger
Joined: 07 May 2019 Karma :
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Islander |
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Islander World Chat Champion
Joined: 05 Aug 2012 Karma :
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Posted: 13:16 - 26 May 2019 Post subject: |
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I use Dow Corning 3145 RTV to glue reflecting telescope secondary mirrors in place, it doesn't have acetic acid and is low outgassing. It's perfect for any glass. |
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t121anf |
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t121anf World Chat Champion
Joined: 23 Feb 2007 Karma :
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Sister Sledge |
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Sister Sledge World Chat Champion
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- Super Spammer
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defblade |
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defblade World Chat Champion
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- Super Spammer
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Old Thread Alert!
The last post was made 4 years, 336 days ago. Instead of replying here, would creating a new thread be more useful? |
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