Opinions on mag coil shellac

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Model T Ford Forum: Forum 2012: Opinions on mag coil shellac
Top of pagePrevious messageNext messageBottom of page Link to this message  By Randy Clemens - NW Phoenix AZ on Sunday, December 09, 2012 - 11:16 am:

I am having trouble finding a a good electrical shellac to coat my Mag coils with that can withstand a higher heat than 160 degrees. Can someone tell me if they have ever used this product from 3M? Thanks

application/pdf3M Scotchkote FD
2012_Scotchkote_Electrical_Coating_FD_Launch_FlierRev2.pdf (74.8 k)


Top of pagePrevious messageNext messageBottom of page Link to this message  By Ken Todd on Sunday, December 09, 2012 - 12:07 pm:

You could try calling 3M Customer Service at 1-800-245-3573


Top of pagePrevious messageNext messageBottom of page Link to this message  By Richard Gould on Sunday, December 09, 2012 - 12:17 pm:

Its good you are being careful. I purchased a quart of sealant from an electrical winding shop in N. Sacramento and, even though I baked the coil in an oven, it chipped off in use. I was assured the stuff would work on windings in an oil bath but it didn't.
R. V. Anderson uses Glyptol on his mag coils but I guess you already know that.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Nicholas Lingg - Tarboro, NC on Sunday, December 09, 2012 - 01:00 pm:

P.D. George is premium product

http://www.macraesbluebook.com/search/company.cfm?company=314150


Top of pagePrevious messageNext messageBottom of page Link to this message  By Ken Kopsky, Lytle TX on Sunday, December 09, 2012 - 03:02 pm:

Glyptal is probably the easiest to get and use and it's cheap compared to the better industrial motor dip varnishes. Glyptal runs about $40 per quart for the brush-on. The industrial coatings run about 5-6 times that amount. Not worth it for one-time use.

Glyptal 1201 is unaffected by 275 degree oil and will remain solid in oil over 350 degrees for short periods. If your oil is hotter than that, your engine is probably on fire anyway and nothing will help. :-)

Glyptal at $38.99/Qt - http://www.caswellplating.com/restoration-aids/glyptal/glyptal-brush-on-red-enam el-1-quart.html


Richard - Most of the industrial electric motor dip coatings are for non-movable coils. Simply brushing on the dip coatings over wrapped coils will usually lead to the chipping and flaking of the coating. The coils need to be vacuum impregnated so that they become a solid mass.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Randy Clemens - NW Phoenix AZ on Sunday, December 09, 2012 - 09:13 pm:

All good information...Thanks Everyone


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