This 0.5in wide, 48in long XtremeFLEX BS0 silicone rubber heating tape has a silicone rubber extruded outer sheath with a fiberglass knitted and braided construction and a multi-stranded resistance wire for increased durability and flexibility. Moisture and chemical resistant, this tape provides exceptional flexibility and durability with rapid thermal response, and is suitable for electrically conductive surfaces. A temperature controller is required. Perfect for a wide range of applications including heating laboratory apparatus, gas tubing, temporary heat, valves, and more. It has 24in (610mm) power leads on the same end with a separable standard 2-prong power plug (NEMA 1-15). BS0 silicone rubber heating tape can tolerate a maximum exposure temperature of 450 degree F (232 degree C). The power density is 4.3watts/sq. in (0.007watts/sq. mm). Requires Temperature Controller (Sold Separately). Material: Silicone Rubber Extruded Outer Sheath With Fiberglass, Knitted And Double-Braided. Power Density: 4.3w/sq. in (0.007w/sq. mm). Width: 0.5in (13mm). Length: 48in (1220mm). Total Watts: 104. Voltage: 120VAC. Brisk Heat #: BS0051040L.