GF-I Flexible Graphite Sheet

Flexible graphite sheet is made with pure expanded graphite. JXSEAL GF-I as our standard flexible graphite sheet product has a high purity of  99.0% carbon content. Higher carbon content gives the flexible graphite foil better chemical resistance, better thermal conductivity, and better sealing ability.



  • C=99.0%, S<1200ppm, CL<50ppm
  • Working Temperature: -200°C to +550°C (air)
  • Working Temperature: -200°C to +650°C (steam)
  • Working Pressure: 140Bar Max.
  • Density from 0.7g/c.c to 1.5g/c.c
  • Supply in sheets and in rolls, Thickness from 0.15mm to 6.0mm

JXSEAL GF-I our standard flexible graphite sheet product suitable for most industry applications. As gasket material, it is usually fabricated into Graphite Laminate, reinforced graphite sheet and widely used in fluid sealing applications: flange gasket, spiral wound gasket, heat exchanger gasket, etc. It can also be used as solid lubricant in metal stamping and forming applications, or as heat liner in industry furnaces and other heating devices.

JXSEAL manufactures full range of graphite foil in sheets and in rolls with carbon content form 99.0% to 99.9%, density from 0.7g/c.c to 1.5g/c.c, and thickness from 0.15mm to 6.0mm.

JXSEAL Product Codes
JXSEAL GF-N Nuclear Grade Flexible Graphite Sheet with 99.5% min. carbon content
JXSEAL GF-L Low Sulfur Flexible Graphite Sheet with 800ppm max. sulfur content
JXSEAL GF-I Industrial Grade Flexible Graphite Sheet with 99.0 min. carbon content
JXSEAL GF-S Oxidation and Corrosion Resistant Flexible Graphite Sheet
Density Thickness Width Length
Sheet 0.7 to 1.5g/c.c 0.15 to 6.0mm 1000, 1500, 1650mm 1000, 1500, 1650mm
Roll 0.7 to 1.2g/c.c 0.15 to 1.5mm 1000, 1500, 1650mm 30 to 200Mtr