... high purity iron powder 1)CNPC brand,high quality 2)high purity Used for rubber 3)factory price 4)port nearby advantage HIGH PURITY ... slurry, magnetic material, laser welding, diamond tools, high temperature alloy, rechargeable battery,the rubber and plastic ... conductive slurry, magnetic material, laser welding diamond tools, high temperature alloy, and rechargeable battery etc.CHEMICAL COMPONENT % ...