Metal ring TDSTechnical ParametersizeweightnumberareaVoidfactorkg/m3Per/m3m2/m%m-10.3”(8)23018000031597.1343.90.5”(13)27514500025096.52780.6”(16)31014500021596.1393.20.7”(18)2404550018097242.21.0”(25)2203200015097.2163.31.5”(38)1701310012097.81282”(50)165950010097.9106.53”(76)15043008098.184.73.5”(89)15036006798.171