... Pb59%)<3,Ceramic Plate,Rubber Oring 3.Life span:500000times faucet ceramic cartridgefast open, Brazil, 60g, ceramic disc, brass ... cartridge,rubber o-ring 2 cutting finish,surface rawbrass ceramic faucet cartridge ( valve core )1) Application: Valve,Faucet2) ... 1050HV5 Roughness ≤Ra0.2um Flatness (light band)We mainly produce metal products,brass cartridges, faucet fittings,brass valves, angle valves, ...