Flexible Graphite Gasket

Features
· Exfoliated and calendered graphite foil.
· Flexible and soft, highly impermeable to gases & liquids.
· Graphite Purity 99% minimum.
· Homogeneous foils in a thickness range from 0.2mm to 2.0mm in a standard width of 1000mm.
· Standard density 1.0 g /cc.
· Suitable for a broad range of temperatures from – 200°C to + 2800°C in inert or reducing conditions.
· In oxidizing conditions -200°C to + 500°C.
· Can be used at cryogenic temperatures.
· Resist to most media.
· High thermal shock resistance & high electrical conductivity.
· Resistant to radiation.
Technical Data
· Graphite Purity 99% minimum.
· Density 1.0 g /cc.
· Thickness range 0.2mm to 2.0mm.
· Roll width 1000mm standard with 1500mm to special order.
· Tensile strength > 5.2Mpa
· Compressibility 47%
· Recovery 9%
· Electrical Resistivity:
–       900 x 10-6 ohm cm parallel to surface.
–        250,000 x 10-6 ohm cm. perpendicular to surface
Thermal Conductivity:
–       120 kcal / m. Hr. °C parallel to surface.
–        4 kcal / m. Hr. °C perpendicular to surface
· Coefficient of Thermal
· Expansion:
–        2 x 10-6 / °C parallel to surface.
–        5 x 10-6 / °C perpendicular to surface.

Typical Chemical Analysis
· Ash Content < 1.0%
· Sulphur content Range 800 to 1300ppm
· Chloride content 50 ppm
· Temperature Range:
· In inert or reducing conditions -200°C to + 2800°C
· In oxidizing conditions -200°C to + 500°C