Other
Artificial graphite; colloidal or semi-colloidal graphite; preparations based on graphite or other carbon in the form of pastes, blocks, plates or other semimanufactures: > Other > Other
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Products classified under HTS 3801.90.00.50
Electrode Paste for Aluminum Smelting
A semi-manufactured paste composed of artificial graphite, petroleum coke, and coal tar pitch, used to fabricate Söderberg electrodes in aluminum reduction cells. It falls under HTS 3801.90.0050 as a preparation based on artificial graphite in paste form for industrial electrode production. This product is specifically designed for high-temperature smelting applications.
Colloidal Graphite Lubricant Paste
A semi-colloidal graphite suspension in mineral oil base, used as high-temperature lubricant for forging dies and extrusion equipment. Classified under HTS 3801.90.0050 as colloidal graphite preparation in paste form. Provides dry film lubrication preventing metal-to-metal contact.
Graphite Block for EDM Electrodes
High-density isostatic artificial graphite blocks machined to precise dimensions for electrical discharge machining (EDM) electrodes. Falls under HTS 3801.90.0050 as semi-manufactured graphite plates or blocks not yet final-formed. Used in tool and die making industries.
Carbon Paste for Silicon Carbide Production
Paste formulation of artificial graphite powder and phenolic resin used in Acheson furnace process for synthetic silicon carbide manufacture. HTS 3801.90.0050 classification as graphite-based paste semi-manufacture. Essential charge material for abrasive production.
Semi-Colloidal Graphite Heat Transfer Compound
Thick paste of micronized artificial graphite in silicone grease for thermal interface between CPU heatsinks and processors. Classified HTS 3801.90.0050 as semi-colloidal graphite preparation. Enhances heat dissipation in electronics assembly.
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.
Conductive Graphite Paint Paste
High-solids paste of artificial graphite in acrylic binder for EMI shielding coatings on plastic enclosures. Semi-manufactured under HTS 3801.90.0050 as graphite preparation. Volume resistivity <0.1 ohm-cm for electronics housing.
Graphite Bearing Paste for Continuous Casting
Moldable paste of flake graphite and refractory clay forming submerged entry nozzles for steel continuous casting. HTS 3801.90.0050 classification for graphite paste semi-manufactures. Withstands 1600°C molten steel temperatures.