Industrial Retort Carbon
Industrial retort carbon is specialized high-fixed-carbon material from coal retorts for silicon carbide production. Covered by HTS 2704.00.00.50 explicitly as retort carbon, 'other'.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If converted to carbides post-import
Carbides of silicon from retort carbon are Chapter 28 chemicals.
If tungsten alloyed versions
Metal-carbide mixes become Chapter 81 tungsten products.
If refractory coating preparations
Formulated retort carbon pastes shift to chemical preps.
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Import Tips & Compliance
• Supply fixed carbon percentage (>85%) via ASTM tests for verification
• Declare industrial end-use to avoid consumer product scrutiny
• Use anti-static packaging for fine powders
Related Products under HTS 2704.00.00.50
Metallurgical Coke
Metallurgical coke is a high-carbon fuel produced by heating coking coal in the absence of air, used primarily in blast furnaces for iron production. It falls under HTS 2704.00.00.50 as coke of coal, not agglomerated, and classified as 'other' since it is not specified elsewhere in the heading.
Foundry Coke
Foundry coke is a porous, low-ash coke derived from coal, ideal for cupola furnaces in metal casting operations. Classified under HTS 2704.00.00.50 as 'other' coal coke, whether or not agglomerated, due to its production process and fuel application.
Lignite Coke
Lignite coke, or brown coal coke, is produced by carbonizing lignite, used as a low-cost fuel in power generation and industrial heating. It is covered by HTS 2704.00.00.50 as coke or semicoke of lignite, in the 'other' category.
Peat Coke
Peat coke is obtained by heating peat in retorts, serving as an eco-fuel for heating and gasification plants. HTS 2704.00.00.50 includes it as coke or semicoke of peat, categorized under 'other'.
Retort Carbon
Retort carbon is a high-purity carbon produced in retorts from coal or peat, used in electrode manufacturing and chemical processes. It qualifies under HTS 2704.00.00.50 as 'retort carbon' in the 'other' category.
Coal Semicoke
Coal semicoke is a partially carbonized coal product with higher volatiles than full coke, used in cement kilns and boilers. It is included in HTS 2704.00.00.50 as semicoke of coal, under 'other'.