Hunan Conductive Powder - Manufacturer - Wholesale Price - Supplier - Wholesaler [Wuhan Beichen Xing New Material Technology Co., Ltd.] Generally, rubber is insulating; to achieve conductivity, conductive materials must be added. Graphite powder boasts superior conductivity and lubricating demolding properties. Processing graphite into graphite powder results in excellent lubrication and conductivity. The higher the purity of the graphite powder, the better its conductivity. Many special rubber products manufacturers require conductive rubber.