... .Brass(Cu57%Pb59%)<3,Ceramic Plate,Rubber Oring 3.Life span:500000times ceramic disc for faucetfast open, Brazil, 60g, ceramic disc, brass fitting, brass valve ... zero 0.15-0.25Nm Sealing test Static pressure Air High pressure 1.0Mpa Low pressure 0.02Mpa Cold water ... High pressure 2.5Mpa Low pressure 0.05Mpa Dynamic pressure 0. ...