Kapton® Tape, 1/2" x 36 yds., 1 Mil for $35.29 Online | The Packaging Company
Bertech Kapton Tape, 2 Mil Thick, 3 Inches Wide x 36 Yards Long, Kapton Film with Silicone Adhesive, 3 Inch Core, RoHS and Reach Compliant : Amazon.ca: Tools & Home Improvement
Black Polyimide Tape with Acrylic Adhesive, 2" Wide, 2 Mil Thick - Bertech