Metal step ring TDSTechnical ParameterModelsizemmSpecific surface aream2m3Void%AccumupermPackfactorm-1 0P17*15*6*0.342794530,00055 1P25*22*8*0.323096150,00040 1.5P34*29*11*0.31989760,91029 2P43*38*14*0.41649729,52022 2.5P51*44*17*0.41279717,90017 3P66*57*21*0.4105988,80014 4P86*76*89*0.490985,00010 5P131*118*41*0.665981,4807