... 300nm at your requests. Metallic nano tin particles powder Appearance: Tin nanoparticles are pale grey to black, ... be used for the production of microelectronics devices.high purity, uniform size and shape of the ball, good ... nm of different specifications nano or micron tin powder, also can produce other size according to user ... 3marginThe impurities includes elements such as B,Al,Si,Cr,Mn,Fe,Co,Cu,Mo,W,P ...