Pro Tapes PRO-952/AMBT236 PRO-952 Kapton Polyimide Film Tape, Amber/Transparent Core: 3 inch diameter plastic Backing/carrier: electrical grade polyimide film Adhesive: silicone Thickness: 3.7 mils (carrier, adhesive) 2 mils (carrier) Adhesion: 25 ounces per inch (to stainless steel test panel)