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My Induction Boards / Coating / coil coating |
| coil coating |
| Posted By: SATMOJ On 11/17/2006 08:58 am |
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I have coated coils with anything and everything to get an electrical insulation on them. From rubber hose and tape to Plazma ceramic spray coating or Aremco potting compounds. I was wondering what everyone else has used and for what situation.
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| Author | Message |
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T3sl4
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# Posted: 11/18/2006 11:52 pm
Heh nothing right now, 'course I'm still in development. Fortunately my design is short-proof 
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Heat It
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# Posted: 10/01/2007 08:35 am
I know it's an old posting, but a new member just asked the same question in another forum catagory. Here's what I use: Nothing, if possible. But, when required 3M makes an electrically insulating epoxy that you brush on. I think the 3M stuff is only good to about 300F. Does anyone have coating material for higher temperatures? |
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SATMOJ
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# Posted: 11/19/2007 04:41 am
Glyptol.. good for about 400 but a water cooles coils wont get that high if it does not touch Aremco makes high temp ceramic paint.. best stuff so far thats doable without the $10,000 plasma spray machine. the Ceramic Plasma is by far the best I have used when a coil is in direct contact with a part or molten material but its brittle and if the coil moves, it cracks off. Ceramic fibre tape works well but the glue ignites at about 500 degrees and flames can cause some problems but unlike the ceramic spray, you can re insulate "on site". I have also used Mica Tape Saurisen Boron Nitride mold release spray glass tape (non adhesive) Virgin Mica in sheets bolted on to glastic coil supports Marinite boad. I have never had antything that works as good as the adhesive glass tape, some things last longer, but take so long to re coat that in my line of heating is not worth it. |
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r
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# Posted: 07/18/2008 08:24 am
We apply proprietary epoxy coatings to coils that are both high temperature and heat sensitive. The initial color of yellow changes to brown then dark brown as the exposed temperature increases to 500 degrees F with no impact on electrical properties. In critical areas, we wrap with rubberized tape then fiberglass tape and coat with polyester. |
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