Guyana Refractory Calcined Bauxite
Premium calcined bauxite from Guyana deposits, refractory grade for glass furnace repair mixes. Under HTS 2606.00.00.30 for its calcined bauxite origin and high refractoriness index meeting industry standards.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If general calcined, unspecified grade
Lacks 'refractory grade' documentation, defaults to broader calcined bauxite heading.
If processed to aluminum oxide
Further purification to alumina powder moves from ore to inorganic chemicals.
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Import Tips & Compliance
• Leverage country-of-origin certificates for potential duty reductions under free trade agreements
• Test for consistent low alkali content, as variations disqualify refractory status
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