Scotch high temperature masking tape 214 will perform in a wide variety of high heat, treated metal and stain resistant applications and generally withstand bake cycles up to 350 °F/177 °C for one hour, even on treated metals. The crepe paper backing tears easily and offers moderate conformability and lifts off cleanly. The natural rubber adhesive bonds well to paper, metal, drywall, wood and painted surfaces with reliable holding power that resists lifting and curling. - Scotch high temperature Masking Tape 214 is good for 30 min at 350 °F (177 °C) on most surfaces. The adhesive is sulfur-free which makes it one of the few tapes that can be used on copper, silver and other precious metals. Under normal operating conditions the tape features one piece removal and is sliver resistant.