magnets

[larrynews]

started this because i didnt want to hijack the other
could i just cover the magnets in silicon and then glue the frag plug to the silicon covered magnet???

[Reefd Up]

Silicone doesn't stick well to magnets.  It's easy to pull/rip off...and the slightest tear would allow saltwater to touch the magnets...and corrode the magnets.  The neodymium-iron-boron magnets are EXTREMELY sensitive to saltwater.  You may be able to make several coats of silicone...and keep it from ripping as easily...but I'm not sure it's worth the effort (I've tried...I failed.)  I think I found some better methods...we'll see though.  I haven't had time to perform the final assembly on mine.

[larrynews]

cool thanks

[cyberwollf]

What about sealing them in a silicon "bag" or some kind of heat shrink pouch?

[pontiac2002gtp]

I would try the stuff you can dip things in and makes a durable rubber coating like plier handles. 
heres a link to the stuff I'm pretty sure home depot or lowes carries some form of it I think it would be better than silicone.
http://www.plastidip.com/home_solutions/Plasti_Dip

[Reefd Up]

Tried that too.  It still comes off easily.  It would probably work for a while, but I wouldn't trust long-term use with it.  The plasti-dip stuff was cool, but it was really hard to get a thin coating, even with thinning it down on such a small magnet. 

I'm still experimenting.  I'll let you know what works soon. 

[cyberwollf]

what about a dot of superglue to attach thin fishing line to the magnet.  Then dip it in the plastic. after it drys trim the string and redip that half to seal the string.

[pontiac2002gtp]

why not just buy coated magnets to start with and save time.

[Reefd Up]

what about a dot of superglue to attach thin fishing line to the magnet.  Then dip it in the plastic. after it drys trim the string and redip that half to seal the string.

I've done something similar.  The problem is that the Plasti-dip is just so thick (even after being thinned) that it just kinda globs up on the magnet.  For a really big magnet, it would probably work fine.  You have to dip several times anyway to cover the edges b/c the dip doesn't stick well there.  So, you end up with a very weak covered magnet.

why not just buy coated magnets to start with and save time.

A lot of people do, but you can't get coated magnets in every power. 

Please don't take my critques to be discouraging.  If you guys want to try it, feel free...just thought I would share what did/didn't work for me. 

[cyberwollf]

didnt someone do powder coating on here?  High high was the req temp and would that hurt the magnets?

[Baggerhog]

Could you coat the mags in super glue gel, let one side harden then do the other side?

[Reefd Up]

Oh, these magnets will lose their magnetic properties above 175 degrees F...not sure what powder coating needs for temp.

[slandis3]

powder coating needs 450deg 5-10 min then 400deg for 15-20 min

[Logzor]

Would a paint on epoxy work...like the stuff they use on the inside of plywood tanks?

[slandis3]

Would a paint on epoxy work...like the stuff they use on the inside of plywood tanks?

As long as the epoxy dosnt get chipped it should work.

[Reefinmike]

If the magnets are large enough, scuff them up with some 60 or 80 grit sandpaper... that will make the silicon adhere much better