In PVC , cadmium was used as heat , light , and weathering stabilizers . Currently , cadmium stabilizers have been completely replaced with barium @-@ zinc , calcium @-@ zinc and organo @-@ tin stabilizers . Cadmium is used in many kinds of solder and bearing alloys , because a low coefficient of friction and fatigue resistance . It is also found in some of the lowest @-@ melting alloys , such as Wood 's metal .