... SILICONE,SBR,CR.Color Black,Green,Orange.PerformanceWear resistant and corrosion resistant,immediate positive seal,position independen,variableopenin ... pumps, two-way vent valves in venous reservoirs and numerous other fluidcontrol functions in medical devices, home appliances ... , Dispenser, carburetor, cars and toys. Packing detailPE bag &outer carton. We also can ...