Penetrates rust, scale and corrosion to free parts and assemblies instantly | Loosens red and white lead, tar, grease, carbon and graphite deposits | Will free up all threaded pipe connections, rusted machine screws, bolts, nuts, clamps for mufflers and tail pipes, pillow blocks, universal joints and locks | Contains no silicones, making it safe in paint and shop environments | No more torching, drilling, hammering or chiseling

White PTFE High Density Thread Tape Roll For use with wrapping pipe threads to create air and water tight connections. | Thickness 3.9 mils | Tensile minimum PSI 800 | Density is .9-1.2 grams per cubic centimeter | Temperature range -450 to 550 degree Fahrenheit