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#2
01-27-2006, 03:17 AM
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Quote:
__________________
 Greg 
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#3
01-27-2006, 03:59 AM
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CSL silicone #502A
Hi Delphinus,
I can offer you CSL #502A food grade, excellent for glass and I can promise you this never get yellow in marine condition, two years in my sump nothing happen. Technical data Sheet: http://www.cslsilicones.com/pdf_files/502tech.pdf
__________________
------------------------ Arek
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#4
01-27-2006, 02:22 PM
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I have a supplier to the CSL stuff as well and have made a few cube tanks with that stuff. Newguy has also made tanks with that stuff. I can get them for about $5 a tube. I have other stuff that is straight 100% silicone that I use as well that does not yellow. I have been on the silicone searchfor a while as I use it daily in my trade and have tracked down a couple of suppliers. If anyone is interested I can get them some cheap. About $5. My company can probably cover the tax.
Des
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#5
01-30-2006, 08:34 PM
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You can use them, yes, but Silicone II actually has on the label "not for aquarium use." The problem with Silicone II apparently is that it will not hold up to long-term continuous submerged use so it is not a good choice as a structural bonding agent. Not true actually. I have called GE and they say the only reason they have it as not for aquarium use is that it is desgined for usages partially where food and beveridge would be consumed and so the usage would conflict with the warning of being toxic. (kitchen) This is the silicone that they suggest to me when I called and I have used it lots. It is an FDA regualtions thing more than anything
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