It has a backing made of bronze(CuZn25Al5,CuZn24Al6,SAE 660,SAE681,C93200,RG-7,C86300,C93200,SAE430) with particular formulation supported by certain angle and density. The solid lubricants inlaid in the bushing are compounded with precision. It's used in successive casting machine, mineral mountain machinery, shipping, steam turbine