Rechargeable Power Toothbrush

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NEW Henry Schein Power Toothbrush
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Sonicare Kids Rechargeable Toothbrush - HX6311/02
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12 Pieces Oral B Floss Action Replacement Brush Head 4 Pack Fit Triumph Vitality
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Lit-Pack Sonic Power Toothbrush Sonic Toothbrush Electric Toothbrush Brush head
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NEW Lit-Pack Rechargeable AC USB Electric Sonic Power Toothbrush
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Lit-Pack Rechargeable AC USB Electric Sonic Power Toothbrush
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Lit-Pack New Technology Electric Sonic Power Toothbrush non-slip handle design
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Lit-Pack AC / USB Rechargeable Electric Sonic Power Toothbrush 46,000 Storkes !
US $33.88

Hard filler (plastic?), and how to get rid of it. Used to seal electronics in place.?

I recently bought a rechargeable toothbrush to learn a little bit more about Induction Power Transfer. But upon looking inside the base unit (the part you set the tooth brush on), I find that it is surrounded by this tan plastic-like stuff. It's REALLY pissing me off. I can tell that it was poured into the case as a liquid, then it hardened. I have also found this crap inside of a Neon Sign Transformer, with only a small heat sink protruding from the stuff. Is there any kind of easy way to remove this stuff? I spent about 2 hours trying to dig through this stuff, and unintentionally destroyed at least one component. Any suggestions?

The stiff is called "potting compound". It works in a similar way to epoxy adhesives (e.g araldite). You mix two liquids together and pour them into the container around the circuit, and they react together to form a solid block of rubbery or glassy material that prevents any failures due to vibration or shock loading (i.e.if the device is dropped), the electronics are completely sealed against mosture, and the compound is chemically inert.

It expands as it sets, so it bonds itself to everything it is in contact with.

Basically, there isn't any way to get rid of it. That's the reason why it was put there!

I doubt whether acetone would have any effect at all (though I'll take the other answerer's word for it that acetone dissolves credit cards). If you want to try acetone, remember the liquid and the vapor it gives off are both VERY flammable, and the vapor is a serious health hazard if you breathe too much of it..

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2 Braun Oral B Rechargeable Electric Power Toothbrush