Stops bolts seizing up and no messing. It's unique product that couldn't have been invented too soon. Wind it round bolts, nuts, valves and so on, there is no way the resultant fastening can corrode and seize up, ever. A neat roll of clean, MAS Anti-Seize Tape represents the end of an era. Quite simply, it places frustrating time wasting in the past. Who'd "stick with the method" now that MAS is available? High temperature anti-seize in tape form providing protection from corrosion, seizure, galling, rust, carbon fusion, galvanic pitting. Copper control acts as ball bearings, good temperature upto 1200 °C