1.Material :bronze ,iron,ss steel 2.Oil impregnated rate :15%~25% 3.Density:6.4~7.6g/cm* ... 3 4.TS16949:2002 5.ISO9001:2000 Oil impregnated bushing introduction Oil impregnated bushing is made by bronze or iron/stainless ... tools ,woven machines,chemical engineering machine,automobiles industry ,ect. Oil impregnated bushing advantage :1.with lower wear rate and long lifetime ...