It is used for packing materials such as fumed silicon powder, carbon black, white carbon black, stearate, and graphite etc. Applications:Vacuum packaging machinery is suitable for packing very fine and light products, such as: Minerals: Alumina, Talc powder, etc. Chemicals: Fluffy Carbon black, Pigments, Graphite powders, Silicon dioxide, Aluminum powder, Stearate, Kaolin clay, Light calcium ...