Flashtape-300 high temperature polyimide tape, backed with a fully cured pressure sensitive silicone adhesive applied to one side. Flashtape 300 is commonly used to keep all bagging materials plies in place like peel ply, release film and breathers for cures up to 300℃(572 ℉). Flashtape 300 is also used to protect tooling parts and some component areas from flash of resin.