3M™ Polyimide Film Electrical Tape 92 is a 1-mil polyimide film backing with silicone adhesive. Its silicone pressure-sensitive adhesive allows it to be used at 356ºF (180ºC), and it is UL 510 Flame Retardant. Like most insulated tapes, from 3M, Tape 92 is available in standard and custom widths and lengths. The standard length is 36 yards, and can be cut to widths ranging from 1/4” to 23”. Longer lengths up to several times normal length are possible, dependent upon width.–Check with Customer Service for details.