Castable Polyurethane Drum 1)Made of CPU,can be machined 2)With good quanlity and low price 3)No bubble 4)Long service time Castable Polyurethane Drum1)Made of CPU, can be machined by CNC lathe 2)Special Formulations 3)Replace Austrian product 4)ISO9001:2008Castable Polyurethane Drum For Seal Ring MachiningGeneralMF-MPT-95 is a hydrolysis resistant Polyurethane Drum with a hardness of 95 +/-2 ...