Graphite Preform Paste for Carbon-Carbon Composites
Injectable paste of mesophase pitch and artificial graphite powder forming green-state preforms for C/C aerospace brake discs. HTS 3801.90.0050 as carbon-based paste semi-manufacture. Critical for high-performance friction materials.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If graphite fibers rather than powder
Carbon fibers and tow classify under 6815.14.
If treated with rubber for tire applications
Rubberized textile materials shift to Chapter 59.
If non-carbon chemical matrix
Other chemical preparations for composites under 3824.
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Import Tips & Compliance
• ITAR registration may apply for aerospace end-use; include defense article status
• Mesophase pitch optical anisotropy certificate confirms high-carbon yield potential
• Rheology specs (viscosity 10,000-50,000 cps) document paste characteristics
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