PTFE TAPE White - HIGH DENSITY - CHINA A heavy duty industrial PTFE tape that should be used on the highest quality jobs. More PTFE per square inch than regular PTFE 3 tape. Thickness is .0035 ± .0005 and density of .7 g/cm. Provides a tight seal for any threaded joint and permits easy disassembly; withstands –450º F (-268°C) to +500º F (260°C). Comes in individual plastic dispenser. For use on oxygen systems. Non-toxic and non-flammable. Meets Federal Specification MIL-T-27730A. Made in China.