This may sound crazy, but but isn't corn syrup nothing more than a near saturated AQUEOUS solution of glucose sugar? Unless the "aqueous" is highly deionized water, I couldn't imagine corn syrup being any kind of a suitable dielectric medium, at least not for high voltage!
David
Sent from my iPhone
> On Nov 25, 2013, at 11:45 AM, <mrapol@xxxxxxxxxxxx> wrote:
>
> For a while now I have submerged capacitor arrays in dielectric media to suppress corona,. arc-over, etc. I first used castor oil (K=4.7) and that worked fine, but it's not so easy to get. I read on a list dielectric materials that glycerin has a high K (47-68!) but I was afraid that, being anhydrous, it would absorb water and lead to corrosion. I set up four 20KV caps in parallel in a bottle and filled it with off the shelf glycerin, the USP kind sold as an emollient. After more than a year there isn't a speck of corrosion on the caps or linking hardware.
>
> Recently I found a new list of dielectric media and saw a listing for "syrup" (?) having a K of 50-80. Apparently this is corn syrup. Now, corn syrup ought to considerably cheaper than castor oil or glycerin. I think I'll start a new bottled array soon. I don't suppose anyone out there has tried this already?
>
> PBT
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