... with controled property Offer:nozzle,tile,armor,oil seal,seal face,gasket ring,shaft bush,tank seal We are specialized in sintered reaction bonded silicon ... products include: SSIC/RBSIC1.M7N,59U WB2...standard parts2.Mechanical Seal faces,shaft bush/sleeve,wearing bush, and other nonstandard parts ... I received it next day. Silicon Carbide(SIC& SSIC)Mechanical tank seal