This one mil (0.001 inch) thick Polyimide material with heat-resistant silicone adhesive good to 500°F. You can SOLDER on it! Available in 36 yard rolls.
Kapton Tapes — Tape Providers
Bertech High Temperature Kapton® Tapes are made from 2 Mil thick Dupont's Kapton® HN film with silicone adhesive that provides higher tear and
Kapton Tape - 2 Mil
3M 1205 Polyimide Electrical Tape
Kapton® Discs - 1 Mil, 3/4 S-17223 - Uline
3 Inch Black Gaffers Tape -12 Roll Multi Pack Bulk -30 Yards per Roll - Easy Tear, No residue Non Reflective Gaff Tape -Waterproof Matte Cloth Gaffing Tape for Professional Photography
Polyimide Tape Heat Resistant Kapton TAPE PCB Insulation 35mm x 33 Meter - 2roll
Local sources for Kapton tape? - Model Railroader Magazine - Model Railroading, Model Trains, Reviews, Track Plans, and Forums
Kapton Tape 33m (8mm)
Bertech - KPT-1/8 Kapton Tape, 1 Mil Thick, 1/8 Inches Wide x 36 Yards Long, Kapton Film with Silicone Adhesive, 3 Inch Core, RoHS and REACH Compliant Amber: : Industrial & Scientific
Low Static Kapton Tapes
3 Inch Black Gaffers Tape -12 Roll Multi Pack Bulk -30 Yards per Roll - Easy Tear, No residue Non Reflective Gaff Tape -Waterproof Matte Cloth Gaffing Tape for Professional Photography
Bertech - KPT-1/8 Kapton Tape, 1 Mil Thick, 1/8 Inches Wide x 36 Yards Long, Kapton Film with Silicone Adhesive, 3 Inch Core, RoHS and REACH Compliant Amber: : Industrial & Scientific
Kapton Tape
Kapton polyimide tape - Kapton Tape Manufacturer