Silicon carbide (SiC) is a synthetic, covalently bonded compound of silicon and carbon with the chemical formula SiC. It is an extremely hard, chemically inert ceramic material that occurs naturally only in trace amounts as the rare mineral moissanite. Commercially produced since the late 19th century via the Acheson process, silicon carbide is valued for its exceptional hardness (9–9.5 on the Mohs scale), high thermal conductivity, low thermal expansion, outstanding resistance to thermal shock, and stability at elevated temperatures up to approximately 1600°C in oxidizing atmospheres and higher in inert environments. It exists in numerous polytypes, the most common being alpha-SiC (hexagonal 6H and 4H structures) and beta-SiC (cubic 3C structure). Silicon carbide finds broad industrial application as an abrasive, refractory material, structural ceramic, and increasingly as a wide-bandgap semiconductor in power electronics and high-frequency devices. It is a key material in industries ranging from steel and aluminum production to electric vehicles, aerospace, and semiconductor fabrication.
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Key Influence Events
Data source: UN Comtrade public trade statistics (https://comtradeapi.un.org/public/v1/preview/C/M/HS?reporterCode=156,842,699,410,276,528,356,360,764,458,724,40,56,251,380,616,826,124,76,484,792,682,784,704,490,702,643,36,710,818,364,203,348,300,620,372,208,246,752,578,320,508&period=202607&cmdCode=284920&partnerCode=0&flowCode=X&includeDesc=true) | Last updated: 2026-11-07
Price Trajectory, latest 12 months (2025-08 to 2026-07)
The monthly customs export unit value for HS 284920 moved from USD 1,479.43/ton in 2025-08 to USD 1,343.41/ton in 2026-07 (-9.2% across the window). The window high was USD 1,715.83/ton in 2025-10 and the low USD 1,190.66/ton in 2026-03. Three-month averages put the latest quarter +4.2% against the previous one, which is read here as neutral.
The same panel reported USD 118.8 million of export value on 87,800 tonnes over the twelve months, an average of 7,317 tonnes a month. Values are customs returns for the stated HS heading, so they capture the traded mix of that heading rather than a single quoted grade.
2026-08 is deliberately not in the series: of the 7 economies that make up this page's fixed panel, 4 had filed both value and net weight for this heading when the page was re-checked on 2026-11-07 (the heading drew 12 filers in total that month); neither 2026-09 nor 2026-10 drew a single filing for this heading. Splicing a partly-filed month onto a fixed panel would move the unit value through composition alone, so the window stays at 2026-07 until the whole panel for 2026-08 has reported.
HS 284920 covers silicon carbide whether or not chemically defined, so abrasive, metallurgical and semiconductor grades share the heading.
Supply-side factors
- Fixed reporting panel of 7 economies: BRA (76), CAN (124), CZE (203), DNK (208), NLD (528), IND (699), SWE (752). The panel is held constant in every month of the window so month-to-month movement is not a composition effect.
- Monthly unit value range over the window: USD 1,190.66 to USD 1,715.83/ton.
- Latest month, 2026-07: USD 1,343.41/ton, +0.5% against the previous month, on 6,577 tonnes.
Demand-side factors
- Silicon carbide demand splits between metallurgical and abrasive uses on one side and semiconductor and power-electronics substrates on the other.
- Related market pages on this site: Silicon Metal, Petroleum Coke and Calcined Petroleum Coke; see also Petroleum Coke Powder, the coke feedstock consumed in the same electric-furnace charge.
Basis: these are customs unit values for the stated HS heading, not quoted spot, contract or assessed prices, and no paid price assessment is used or redistributed on this page. Every figure can be re-checked at the API links listed at the end of this page.
Top Countries Production Capacity
| Property / Grade | Typical Value / Range | Unit | Grade / Type |
|---|
Data Sources
Price and volume figures are derived from the directly verified public sources below. The customs unit values are USD/ton; they are not subscription price assessments. Grade-level specifications are not restated here: confirm them with the supplier. Every monthly endpoint used for the series on this page is listed below, together with the HS classification reference.
- https://comtradeapi.un.org/public/v1/preview/C/M/HS?reporterCode=156,842,699,410,276,528,356,360,764,458,724,40,56,251,380,616,826,124,76,484,792,682,784,704,490,702,643,36,710,818,364,203,348,300,620,372,208,246,752,578,320,508&period=202508&cmdCode=284920&partnerCode=0&flowCode=X&includeDesc=true
- https://comtradeapi.un.org/public/v1/preview/C/M/HS?reporterCode=156,842,699,410,276,528,356,360,764,458,724,40,56,251,380,616,826,124,76,484,792,682,784,704,490,702,643,36,710,818,364,203,348,300,620,372,208,246,752,578,320,508&period=202509&cmdCode=284920&partnerCode=0&flowCode=X&includeDesc=true
- https://comtradeapi.un.org/public/v1/preview/C/M/HS?reporterCode=156,842,699,410,276,528,356,360,764,458,724,40,56,251,380,616,826,124,76,484,792,682,784,704,490,702,643,36,710,818,364,203,348,300,620,372,208,246,752,578,320,508&period=202510&cmdCode=284920&partnerCode=0&flowCode=X&includeDesc=true
- https://comtradeapi.un.org/public/v1/preview/C/M/HS?reporterCode=156,842,699,410,276,528,356,360,764,458,724,40,56,251,380,616,826,124,76,484,792,682,784,704,490,702,643,36,710,818,364,203,348,300,620,372,208,246,752,578,320,508&period=202511&cmdCode=284920&partnerCode=0&flowCode=X&includeDesc=true
- https://comtradeapi.un.org/public/v1/preview/C/M/HS?reporterCode=156,842,699,410,276,528,356,360,764,458,724,40,56,251,380,616,826,124,76,484,792,682,784,704,490,702,643,36,710,818,364,203,348,300,620,372,208,246,752,578,320,508&period=202512&cmdCode=284920&partnerCode=0&flowCode=X&includeDesc=true
- https://comtradeapi.un.org/public/v1/preview/C/M/HS?reporterCode=156,842,699,410,276,528,356,360,764,458,724,40,56,251,380,616,826,124,76,484,792,682,784,704,490,702,643,36,710,818,364,203,348,300,620,372,208,246,752,578,320,508&period=202601&cmdCode=284920&partnerCode=0&flowCode=X&includeDesc=true
- https://comtradeapi.un.org/public/v1/preview/C/M/HS?reporterCode=156,842,699,410,276,528,356,360,764,458,724,40,56,251,380,616,826,124,76,484,792,682,784,704,490,702,643,36,710,818,364,203,348,300,620,372,208,246,752,578,320,508&period=202602&cmdCode=284920&partnerCode=0&flowCode=X&includeDesc=true
- https://comtradeapi.un.org/public/v1/preview/C/M/HS?reporterCode=156,842,699,410,276,528,356,360,764,458,724,40,56,251,380,616,826,124,76,484,792,682,784,704,490,702,643,36,710,818,364,203,348,300,620,372,208,246,752,578,320,508&period=202603&cmdCode=284920&partnerCode=0&flowCode=X&includeDesc=true
- https://comtradeapi.un.org/public/v1/preview/C/M/HS?reporterCode=156,842,699,410,276,528,356,360,764,458,724,40,56,251,380,616,826,124,76,484,792,682,784,704,490,702,643,36,710,818,364,203,348,300,620,372,208,246,752,578,320,508&period=202604&cmdCode=284920&partnerCode=0&flowCode=X&includeDesc=true
- https://comtradeapi.un.org/public/v1/preview/C/M/HS?reporterCode=156,842,699,410,276,528,356,360,764,458,724,40,56,251,380,616,826,124,76,484,792,682,784,704,490,702,643,36,710,818,364,203,348,300,620,372,208,246,752,578,320,508&period=202605&cmdCode=284920&partnerCode=0&flowCode=X&includeDesc=true
- https://comtradeapi.un.org/public/v1/preview/C/M/HS?reporterCode=156,842,699,410,276,528,356,360,764,458,724,40,56,251,380,616,826,124,76,484,792,682,784,704,490,702,643,36,710,818,364,203,348,300,620,372,208,246,752,578,320,508&period=202606&cmdCode=284920&partnerCode=0&flowCode=X&includeDesc=true
- https://comtradeapi.un.org/public/v1/preview/C/M/HS?reporterCode=156,842,699,410,276,528,356,360,764,458,724,40,56,251,380,616,826,124,76,484,792,682,784,704,490,702,643,36,710,818,364,203,348,300,620,372,208,246,752,578,320,508&period=202607&cmdCode=284920&partnerCode=0&flowCode=X&includeDesc=true
- https://comtradeapi.un.org/files/v1/app/reference/HS.json
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