Cool-Tape by DEI. Made of basalt fibers, characterized by very high thermal resistance. Temperature resistance: continuous operation: 1000 ° C momentary jumps: 1400 ° CBlack Titanium Exhaust Wrap, with LR Technology, is made from pulverized lava rock, stranded into a fiber material then woven into a proprietary weave. Black Titanium wrap is engineered to be stronger than most wraps and more durable for improved thermal performance and reliability. Designed to be pliable and resistant to chemical oil spills and vibration breakdown