1 Mil Kapton Tape (Polyimide) - 1" x 36 yds 1 Mil Polyimide Tape (Kapton) RoHS compliant 1 Mil Polyimide Tape is silicon adhesive protection leaves no residue. 1 Mil Polyimide Tape is thin and conformable enabling masking of uneven surface 1 Mil Polyimide Tape shows excellent electrical insulation. 1 Mil Polyimide Tape maintains high temperature resistance as high as 400F.