1, Compound by Ca-Bentonite,Flake Graphite Powder,Sodium Carbonate,Coal& Carbon Powder etc. 2, ... resistivity by retaining moisture. The clay consists largely of Ca-Bentonite, It has the ability to hold its moisture content for ... item No.PackingDescription& MarksLYJZ-125KGS/BagIt is mixed with Ca-Bentonite, Flake Graphite Powder, Sodium Carbonate, Coal Powder & Carbon PowderPerformance characteristic ...