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 Flexible
graphite, also known as grafoil, is made from mineral (flake)
graphite. Since it is flexible, it is referred to as flexible
graphite to distinguish it from other forms of graphite materials:
mineral graphite (including flake graphite and amorphous graphite),
artificial graphite (including graphite electrodes and scrap granules,
graphitized/carbonized rayon or other synthetic materials such as
graphitized carbon fiber, graphite golf club etc.)
Natural mineral graphite is unique. It is a non-metallic mineral, but
is thermally and electrically conductive like metal. It is formed with
element carbon, the same as the hardest mineral - diamond, but
graphite is the softest mineral. Natural mineral graphite is inert to
most chemicals, resistant to heat up to several thousand degrees. All
these characteristics contribute to the mineral graphite crystalline
structure. In the structure, the hexagonal bond is strong, but the
bond between layers is weak. By breaking the bond between layers, the
mineral graphite can be exfoliated several hundred times bigger. By
compressing the exfoliated graphite into sheet form, flexible graphite
is made.
Flexible graphite inherits all the unique characteristics of mineral
graphite and is being used in a wide range of industrial applications.
It is an excellent sealing material and can be used for making
chemical and high temperature resistant gaskets, sealing parts,
compression packing, etc. Flexible graphite is naturally a solid
lubricant and can also be used in various metal fabrication processes
or other mechanical processing works. Using its directional heat
conductivity characteristics, flexible graphite can be used as liners
in industrial furnaces, as well as in electronic devices to control
and spread heat flow. Flexible graphite can also be used in many other
applications including
EMI (electromagnetic
interference) shielding & gasketing, stress sensing, vibration
damping, and other thermal or electronic or electrochemical
applications.
 What
makes Minseal’s Flexible Graphite different from others? Managed by
true graphite experts, Minseal knows how to control every step of the
manufacturing process of flexible graphite, and we also understand
your application needs. We encourage you to contact us to discuss your
needs. Our manufacturing facilities are ISO9000 certified and we
provide award-winning customer service. We guarantee all our products
comply with respective specifications.
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