Try Brake Clean for automotive brakes. =20 Regards, Jim > -------- Original Message -------- > Subject: [EE] Stripping Kapton tape adhesive > From: Bob Blick > Date: Thu, December 07, 2017 10:41 am > To: "Microcontroller discussion list - Public." >=20 >=20 > I'm trying to use Kapton tape as a transistor insulator. Normally I'd use= it as-is with some heatsink grease. But this time I want to first strip of= f the adhesive for better thermal transmission. >=20 > 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 gen= eric Chinese tape and its adhesive does not want to come off. I've also tri= ed lacquer thinner, brake fluid and "white gas"(camping fuel). The camping = fuel comes closest to working but not really. >=20 > I'm trying to avoid using gasoline, but it's probably what I'll try next. >=20 > Any ideas? >=20 > Thanks, >=20 > Bob > --=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 --=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 .