Electrical Tapes 400 Series   –  Stable at operating temperatures to 385 degrees F   –  1.5 mil polyester film; 1 mil pre-cured silicone adhesive; electrically and mechanically stable at operating temperatures up to 385 degrees F (colors). Used for splicing of silicone-coated papers; designed to perform in all phases of the masking of PCB production.   –  Carolina Tape   –