PTFE Natural Non-Flake Forming Mandrels can withstand 550°F continuous temperatures, with excursions to 700°F, for manufacturing small diameter extruded tubing, formed rubber bladders, and similar products. Providing a 0.05 coefficient of friction per ASTM-1894, these anti-stick forming mandrels are in-stock for same day delivery to avoid line shutdowns. Featuring diameter sizes from 0.005 to 0.06 in. and numerous half sizes, the mandrels can be supplied in cut lengths to meet specific customer requirements. Available bonded to stainless steel or nitinol wire, they are manufactured using a proprietary grit blasting process to enhance their bonding surface and prevent flaking.