Crude Silicon Carbide (SiC) Lumps from Mexico
Crude silicon carbide in irregular lump form, produced by high-temperature reaction of silica sand and carbon, used primarily as an abrasive raw material. Classified under HTS 2849.20.10.00 as crude silicon carbide, not chemically defined or refined into specific shapes. It falls in Chapter 28 as a carbide per chapter notes, excluding sintered metal carbides.
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Verify crude status via production process documentation to avoid reclassification as ground or refined; ensure no sintering with metals per exclusions in chapter note 2(g)
• Common pitfall: mislabeling as metallurgical grade leading to Section XV classification