... DZR Brass,Handle can be made of Aluminiumbrass ceramic disc cartridge 1 brass body,ceramic cartridge,rubber o-ring 2 cutting finish ... , 2) Material:Brass Body(Cu=57%Pb)<3 , Ceramic Plate, Rubber O-ring, 3) Finished: Cutting, Surface Raw 4) Guaratee: 5 ... operating pressure0,1 - 0,5 MPa Hot water temperaturemax. 80° C Recommended hot water temperature65° C OEM factory of brass water faucet valve core