Kapton has a higher than usual thermal conductivity for a plastic, I think. Even more important, though, is that it can insulate rather high voltages with very thin film so you can make it thin enough that the heat transfer is good. On Thu, Dec 7, 2017 at 11:49 AM, Denny Esterline wrote: > No solvent suggestions here, but... > Part number 2271K24 from McMaster-Carr is a 0.002" thick kapton film with > no adhesive, $27 per square foot. > They class it as "Thermally conductive" but I don't think its composition > is any different than any other kapton film. > > > > On Thu, Dec 7, 2017 at 9:41 AM, Bob Blick wrote: > > > I'm trying to use Kapton tape as a transistor insulator. Normally I'd u= se > > it as-is with some heatsink grease. But this time I want to first strip > off > > the adhesive for better thermal transmission. > > > > My favorite strong solvent is acetone, and it works so-so on 3M 5419 > tape, > > but the roll I have is a little narrow. The wide stuff I have is some > > generic Chinese tape and its adhesive does not want to come off. I've > also > > tried lacquer thinner, brake fluid and "white gas"(camping fuel). The > > camping fuel comes closest to working but not really. > > > > I'm trying to avoid using gasoline, but it's probably what I'll try nex= t. > > > > Any ideas? > > > > Thanks, > > > > Bob > > -- > > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive > > View/change your membership options at > > http://mailman.mit.edu/mailman/listinfo/piclist > > > -- > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .