... for packing materials such as fumed silicon powder, carbon black, white carbon black, stearate, and graphite etc. Applications:Vacuum packaging ... black, Pigments, Graphite powders, Silicon dioxide, Aluminum powder, Stearate, Kaolin clay, Light calcium carbonate, etc.Packing site:Specifications:Diameter of filling ... /50Hz; 380V/3pH/50Hz Operating temperature: 2-45° C Kaolin clay vacuum packing machine