Die casting Plunger lubricant granules , without graphite. Particle size of the product is Φ1.0-1.5mm, Φ1.5-2.0mm, Φ2.0-3.0mm. This product could melting and rapid expansion on the piston shot sleeve and injection head. Through the superior capillary effect, in the sleeve form a layer of excellent lubrication film. The product easy use , Not adopted by the drops of paint spray pump system, not as same of the traditional oil-based or water-based products.