LOCTITE PC 7222 Wear Resistant Putty is a grey, two-part, ceramic-filled, trowelable, epoxy-based wear resistant-surface coating putty designed specifically for badly worn surfaces exposed to wear, erosion, or cavitation.LOCTITE PC 7222 Wear Resistant Putty is ideal for filling pits and irregularities in metal surfaces and easily conforms to odd shapes. It wont sag or shrink and provides a smooth, low friction finish. LOCTITE PC 7222 provides a smooth, abrasion resistant coating for a wide range of applications such as pipes, elbows, pumps, butterfly valves, turbine blades, tanks and more, and can be used overhead and on vertical surfaces.