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                EXPANDED GRAPHITE ROLLING (SHEETS)
                 

                   Natural graphite flake is chemically treated to form Graphite
                Intercalation Compound. This intercalation compound is then rapidly heated to decomposition. The result is a rapid expansion of the particle size. The bulk density of the worm-like graphite powders is about 0.003g/cc. Then they are formed into graphite sheets by rolling.

                Principal applications:

                    ,Glands
                    ,Gaskets used in flanges, covers of observation holes, level meters.
                    ,Direct attach to the metal surfaces for gas phase sealing effectively.
                    ,Especially the expanded graphite rolls can be used as a material for
                     automatic producing lines.

                expanded graphite (rolling)sheets

                Specification of expanded graphite rolling
                Item Unit Value
                Tolerance of density g/cm3 -0.06~+0.06
                Tolerance of thickness mm -0.04~+0.04
                Carbon content % 99
                Tensile strength MPa 4.5
                Compressibility % >40
                Recovery % >10
                Sulphur content ppm <1100
                Chlorine content ppm <45
                Temperature <C -200~+600

                Rolling sheet size:

                Density(g/cm3) Length(m) Width(mm) Thickness(mm)
                0.8(or)
                1.0(or)1.1
                30,50,80,or other size <=1500 recommend use 1000mm 0.2~1.0 recommend use 0.2, 0.25,0.3,0.4,0.5,0.6,0.75,0.8mm

                Special specification can be production for require.

                Products Show
                  Other Series

                Expanded graphite
                yarns

                Expanded graphite
                sheet

                Reinforced graphite sheet

                Expanded PTFE
                Joint sealant

                PTFE Valve Stem Packing

                PTFE Sheet, Rods,
                Tube, Tape

                Ceramic Fiber
                Textiles

                Glass Fiber
                Texitile
                Asbestos Sheet

                Non-asbestos
                sheet
                  Packing Series
                Gaskets Series
                 
                   
                 
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