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karmat63
Joined: 19 Dec 2007
Posts: 157
Location: Italy
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| Posted: Tue Oct 19, 2010 5:49 pm Post subject: Black silicone |
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I'm looking for RTV black silicone, but can't find in my city GE black RTV. Just a question: all black acetic silicone are equivalent black RTV sealant?
Thanks
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draganm
Joined: 08 Mar 2006
Posts: 8990
Location: Colorado
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| Posted: Tue Oct 19, 2010 6:43 pm Post subject: |
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no, they're not all the same. Stay away from stuff designed for automotive use as it will have additives that are possibly conductive.
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zaphod
Joined: 16 Jun 2006
Posts: 2002
Location: Cloverdale
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| Posted: Tue Oct 19, 2010 7:00 pm Post subject: |
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what about high-temp muffler sealent? i have some tubes of it here. just curious.
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karmat63
Joined: 19 Dec 2007
Posts: 157
Location: Italy
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| Posted: Tue Oct 19, 2010 7:42 pm Post subject: |
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| draganm wrote: | | no, they're not all the same. Stay away from stuff designed for automotive use as it will have additives that are possibly conductive. |
The black silicon I found is used to seal aquariums, so maybe it could work?
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Nashou66
Joined: 12 Jan 2007
Posts: 16171
Location: West Seneca NY
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psilvest
Joined: 27 Jan 2007
Posts: 44
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| Posted: Tue Oct 19, 2010 8:44 pm Post subject: |
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| draganm wrote: | | no, they're not all the same. Stay away from stuff designed for automotive use as it will have additives that are possibly conductive. |
is it a problem if it is conductive when used to fix the tube front to the metal frame?
Pier
Last edited by psilvest on Tue Oct 19, 2010 9:23 pm; edited 1 time in total
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Ile
Joined: 09 Mar 2006
Posts: 1491
Location: Jyväskylä, Finland
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stefuel
Joined: 07 Mar 2006
Posts: 3353
Location: Green Harbor MA USA
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| Posted: Tue Oct 19, 2010 10:17 pm Post subject: |
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If you are only using it to glue in a tube or the glass to the front of a tube, black elephant snot grade silicon will suffice 
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karmat63
Joined: 19 Dec 2007
Posts: 157
Location: Italy
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| Posted: Wed Oct 20, 2010 12:15 am Post subject: |
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| Nashou66 wrote: | look for the Dow Corning stuff as well, I think Sparky said that is non conductive.
Athanasios |
Farnell Italy has Dow Corning RTV Black silicone. I will order from them.
Thanks
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dvh99
Joined: 25 Dec 2009
Posts: 2158
Location: nederland
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| Posted: Wed Oct 20, 2010 12:38 pm Post subject: |
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carmine what is the order number from the silicone at farnell?
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CasetheCorvetteman
Joined: 09 Nov 2008
Posts: 6326
Location: Australia
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| Posted: Mon Nov 01, 2010 10:33 am Post subject: |
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From first hand experience, i can assure you any kind of automotive silicone RTV is NOT suitable for use around any HV, as it is all conductive enough to pass that level of electrical pressure.
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