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A method for decreasing the thickness of a flexible expanded graphite sheet is provided that includes the steps of providing a a flexible expanded graphite sheet having a surface adhered to a substrate, pulling apart the sheet and the substrate with a force sufficient to separate the adhered flexibl

A method for decreasing the thickness of a flexible expanded graphite sheet is provided that includes the steps of providing a a flexible expanded graphite sheet having a surface adhered to a substrate, pulling apart the sheet and the substrate with a force sufficient to separate the adhered flexible expanded graphite sheet into a removed layer and a remainder layer adhered to the substrate; and optionally repeating the foregoing steps until the remainder layer has a desired thickness.

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1. A method for decreasing the thickness of a flexible expanded graphite sheet, comprising the steps of:(a) providing a flexible expanded graphite sheet having a surface adhered to a substrate; (b) pulling apart the sheet and the substrate with a force sufficient to separate the adhered flexible exp

1. A method for decreasing the thickness of a flexible expanded graphite sheet, comprising the steps of:(a) providing a flexible expanded graphite sheet having a surface adhered to a substrate; (b) pulling apart the sheet and the substrate with a force sufficient to separate the adhered flexible expanded graphite sheet into a removed layer and a remainder layer adhered to the substrate; and (c) optionally repeating steps (a) and (b) until the remainder layer has a desired thickness. 2. The method of claim 1, wherein the thickness of the remainder layer is substantially uniform.3. The method of claim 1, wherein the thickness of the remainder layer is non-uniform.4. A method for decreasing the thickness of a flexible expanded graphite sheet, comprising the steps of:(a) providing a flexible expanded graphite sheet having a first thickness, a top surface, and a bottom surface adhered to a first substrate; (b) adhering a second substrate to the top surface; (c) separating the first and second substrates with a force sufficient to separate the flexible expanded graphite sheet into a first remainder layer adhered to the first substrate and a second remainder layer adhered to the second substrate; and (d) optionally repeating steps (a), (b) and (c) until a remainder layer has a desired thickness thinner than the first thickness. 5. The method of claim 4, wherein the thicknesses of the remainder layers are independent and are substantially uniform.6. The method of claim 4, wherein the thickness of the remainder layers are independent and are non-uniform.7. A method for non-uniformly decreasing the thickness of a flexible expanded graphite sheet, comprising the steps of:(a) providing a flexible expanded graphite sheet having a top surface, and a bottom surface adhered to a first substrate; (b) non-uniformly adhering a second substrate to the top surface; and (c) separating the first and second substrates with a force sufficient to separate the flexible expanded graphite sheet into a first remainder layer adhered to the first substrate and a second remainder layer adhered to the second substrate; and (d) optionally repeating steps (a), (b) and (c) until a remainder layer has a desired non-uniform thickness. 8. The method of claim 7, wherein the thicknesses of the remainder layers are independently non-uniform.9. A thin flexible expanded graphite sheet, produced by a process comprising the steps of:(a) providing a flexible expanded graphite sheet having a first thickness and a surface adhered to a substrate; (b) pulling apart the sheet and the substrate with a force sufficient to separate the adhered flexible expanded graphite sheet into a removed layer and a remainder layer adhered to the substrate; and (c) repeating steps (a) and (b), if necessary, until the remainder layer has a desired thickness that is thinner than the first thickness. 10. The sheet of claim 9, wherein the thickness of the remainder layer is substantially uniform.11. The sheet of claim 9, wherein the thickness of the remainder layer is non-uniform.12. A thin flexible expanded graphite sheet, produced by a process comprising the steps of:(a) providing a flexible expanded graphite sheet having a first thickness, a top surface, and a bottom surface adhered to a first substrate; (b) adhering a second substrate to the top surface; (c) separating the first and second substrates with a force sufficient to separate the flexible expanded graphite sheet into a first remainder layer adhered to the first substrate and a second remainder layer adhered to the second substrate; and (d) repeating steps (a), (b) and (c), if necessary, until a remainder layer has a desired thickness thinner than the first thickness. 13. The sheet of claim 12, wherein the thicknesses of the remainder layers are independent and are substantially uniform.14. The sheet of claim 12, wherein the thicknesses of the remainder layers are independent and are non-uniform.15. A thin flexible expanded graphite sheet having a non-uniform thickness, produced by a process comprising the steps of:(a) providing a flexible expanded graphite sheet having a top surface, and a bottom surface adhered to a first substrate; (b) non-uniformly adhering a second substrate to the top surface; (c) separating the first and second substrates with a force sufficient to separate the flexible expanded graphite sheet into a first remainder layer adhered to the first substrate and a second remainder layer adhered to the second substrate; and (d) optionally repeating steps (a), (b) and (c) until at least a portion of a remainder layer has a thickness of about 0.01 mils to less than about 0.5 mils. 16. The sheet of claim 15, wherein the thicknesses of the remainder layers are independently non-uniform.