Dry plunger lubricant particle shot beads is graphite with wax content, which is high temperature resistant and good lubricity.It is widely used in both hot chamber and cold chamber die casting machine. The granule size of product is 0.5-1.0mm,1.0-1.5mm, 1.5-2.0 mm,2.0-2.5 mm, 2.5-3.0 mm, it can be in the shot sleeve and injection on melting and rapid expansion in the shot sleeve and on plunger tips.Through its superior capillary effect in the shot sleeve to form an excellent lubricating film,more convenient usage which is different with traditional usage of oil-based and water-based plunger lubricant oil which are used in plunger pump system.