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Auto body filler for coils


By RobD, Section Homebrewed Electricity
Posted on Mon May 3rd, 2004 at 04:52:39 PM MST
updated info on auto body filler magnetic properties

I finally got word back from the chemist about the auto body filler and it is talc that is responsible for the magnetic properties.
Weren't some of you using talc in your resin mixture?
RobD
Auto body filler for coils | 4 comments (4 topical, 0 editorial)

Re: Auto body filler for coils (none / 0) (#1)
by drdongle (Dr.Dongle1@juno.com) on Mon May 3rd, 2004 at 05:11:16 PM MST
(User Info)

This seems unlikely as talc is a crushed mineral with no metallic properties.
If it were true than a magnet would attract talc, try it.
Dr.D
Carpe Vigor, Dr.D


Re: Auto body filler for coils (none / 0) (#2)
by JB on Mon May 3rd, 2004 at 05:42:26 PM MST
(User Info)

Ive been doing body work for over 25 years. Ive always thought bondo to be talcum powder and fiberglass resin. It dont spark when i grind it off course unless I get down to metal and it doesnt rust. Im not going to stick a neo in it to find out but im thinkin  the chemist is wrong. JB

[ Parent ]


Re: Auto body filler for coils (none / 0) (#4)
by RobD on Mon May 3rd, 2004 at 08:50:59 PM MST
(User Info) http://www.dsgnspec.com

Yes, you're quite right. Let me rephrase that. There are trace minerals in the talc causing the slight magnetic attraction.
RobD

[ Parent ]


Re: Auto body filler for coils (none / 0) (#3)
by Motorhead on Mon May 3rd, 2004 at 08:11:08 PM MST
(User Info)

Epoxy resin is a bit pricey but worth the results
body filler is softer when it cures and does not like high temperatures or repeated temperature changes (expansion/contraction)it's great for the intended purpose"body filler" I havn't had much luck with using it for anything else..
just my point of view,,,,


Auto body filler for coils | 4 comments (4 topical, 0 editorial)
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