In terms of performance how does it differ from PAN and Pitch based fibers?
PAN and Pitch derived carbon fiber are most frequently used as a continuous reinforcement for structural applications. Carbon nanofibers have a much smaller diameter, and are discontinuous. Such reinforcements will initially be used in applications where milled or chopped carbon fiber is used today, or in applications where PAN or Pitch carbon fiber are not suitable for use. For example, chopped and milled PAN fibers are used as an electrical conductivity additive. Carbon nanofiber can provide equal electrical conductivity with only 20% of the loading needed to achieve a selected conductivity in a polymer with milled PAN fiber. For other applications, such as providing conductivity or stiffness in rubber, conventional carbon fiber is typically not suitable because of its size.
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