Duty Rate (from China)
Products classified under Tariff item 2608.00.00.40
Azurite-Malchite Zinc Tailings Concentrate
A recovered concentrate from oxidized copper minerals like azurite and malachite found in zinc tailings streams. Despite its copper content, the product is classified as a zinc ore concentrate because zinc is the principal metal. It falls under tariff item 2608.00.00 as a zinc ore or concentrate.
2608.00.00Bornite-Zinc Polymetallic Concentrate
A flotation concentrate from bornite-rich zinc deposits, capturing copper as peacock ore alongside zinc sulfides. The product is classified as a zinc ore concentrate because zinc is the primary metal of commercial value. It falls under tariff item 2608.00.00 for zinc ores and concentrates.
2608.00.00Broken Zinc-Lead Ore from Open Pit
Broken zinc-lead ore from open-pit mines contains sphalerite and galena and is crushed prior to milling. It is a run-of-mine ore with zinc as the principal metal, classifiable under tariff item 2608.00.00, with lead content reported statistically.
2608.00.00Calamine Zinc Ore
Calamine is a naturally occurring zinc ore consisting of a mixture of zinc carbonate (smithsonite) and zinc silicate (hemimorphite). It is extracted from oxidized zones of zinc deposits and processed for metallurgical recovery of zinc, making it classifiable under tariff item 2608.00.00.
2608.00.00Chalcopyrite-Zinc Ore Concentrate
A concentrate from polymetallic ores where chalcopyrite provides copper content alongside sphalerite zinc, beneficiated via flotation. The product is classified as a zinc ore concentrate because zinc is the principal metal extracted. It falls under tariff item 2608.00.00 for zinc ores and concentrates.
2608.00.00Covellite-Zinc Ore Byproduct Concentrate
A byproduct concentrate from covellite (CuS) liberated during zinc ore processing, retaining copper for reporting. The product is classified as a zinc ore concentrate because zinc remains the principal metal of commercial value. It falls under tariff item 2608.00.00 for zinc ores and concentrates.
2608.00.00Digenite-Sphalerite Mixed Concentrate
A mixed sulfide concentrate blending digenite copper mineral with sphalerite zinc, common in porphyry deposits. The product is classified as a zinc ore concentrate because zinc is the principal metal of economic value. It falls under tariff item 2608.00.00 for zinc ores and concentrates.
2608.00.00Enargite-Zinc Copper Sulfide Concentrate
A high-sulfide concentrate from enargite (Cu3AsS4) zones in zinc mines, with copper content highlighted for statistical reporting. The product is classified as a zinc ore concentrate because zinc is the principal metal of commercial value. It falls under tariff item 2608.00.00 for zinc ores and concentrates.
2608.00.00Flotation Concentrate from Zinc-Lead Mine
Flotation concentrate from zinc-lead mines grades 40-50% zinc with 8-12% lead, produced through beneficiation. It is a zinc concentrate classifiable under tariff item 2608.00.00, with lead content reported statistically.
2608.00.00Gold-Bearing Zinc Ore Concentrate
A zinc ore concentrate containing recoverable gold content, typically produced from polymetallic deposits where gold is co-extracted during zinc processing. It is classified under tariff item 2608.00.00 due to its primary zinc content, with gold reported for statistical purposes. The product is a metallurgical concentrate, not excluded by Chapter 26 notes.
2608.00.00Gold-Dore Zinc Ore Blend Concentrate
A blended concentrate from refractory zinc ores carrying coarse gold particles. It is classified under tariff item 2608.00.00 as a zinc ore concentrate, with gold content reported for statistical purposes. The product is a mineral concentrate used in metallurgy, not excluded by Chapter 26 notes.
2608.00.00Hemimorphite Zinc Ore
Hemimorphite is a hydrated zinc silicate mineral found in oxidized zones of zinc deposits. It is a zinc ore used in metallurgical extraction and can be concentrated via flotation, qualifying it for classification under tariff item 2608.00.00.
2608.00.00Hemimorphite Zinc Silicate Concentrate
A flotation concentrate of hemimorphite (Zn4Si2O7(OH)2·H2O), a zinc silicate ore averaging 42% zinc. The product is classified as a zinc ore concentrate because zinc is the principal metal of economic value. It falls under tariff item 2608.00.00 for zinc ores and concentrates.
2608.00.00High-Grade Zinc Concentrate with Silver
A premium zinc concentrate produced by selective flotation, grading 30% zinc and 7% silver, intended for electrolytic refining. It falls under tariff item 2608.00.00 as a zinc ore concentrate, with the silver content reported for statistical purposes. The product is not excluded by Chapter 26 notes as it is a mineral concentrate used in metallurgy.
2608.00.00High-Grade Zinc Ore
High-grade zinc ore refers to direct-shipping ores with zinc content exceeding 30% that require minimal processing before smelting. These ores are naturally occurring minerals used in the metallurgical industry for zinc extraction, falling under tariff item 2608.00.00.
2608.00.00High-Grade Zinc Sulfide Concentrate with Gold
A sphalerite (zinc sulfide) concentrate from gold-rich deposits, assayed for gold recovery potential. It is classified under tariff item 2608.00.00 as a zinc ore concentrate, with gold content reported for statistical purposes. The product is a metallurgical concentrate, not excluded by Chapter 26 notes.
2608.00.00Hydrothermal Zinc Ore Concentrate
A concentrate from hydrothermal vein deposits, mainly sphalerite with 45% zinc. The product is classified as a zinc ore concentrate because zinc is the principal metal of economic value. It falls under tariff item 2608.00.00 for zinc ores and concentrates.
2608.00.00Irish-Type Zinc Ore
Irish-type zinc ore is a carbonate-hosted massive sulfide ore dominated by sphalerite with calcite gangue, typical of deposits like Navan. It is mined for zinc extraction and concentrated via flotation, placing it under tariff item 2608.00.00.
2608.00.00Kipushi-Type High-Grade Zinc-Lead Concentrate
High-grade zinc-lead concentrate from Kipushi-style deposits contains 55% zinc with substantial lead. It is a massive sulfide concentrate classifiable under tariff item 2608.00.00, with lead content reported statistically.
2608.00.00Mississippi Valley Type Zinc-Lead Ore
Mississippi Valley Type zinc-lead ore is a carbonate-hosted sedimentary ore containing sphalerite with 5-15% lead sulfide. It is a zinc ore classifiable under tariff item 2608.00.00, with lead content reported statistically.
2608.00.00Polymetallic Zinc-Gold Flotation Concentrate
A flotation concentrate from zinc-gold polymetallic ores, with gold disseminated in a zinc sulfide matrix. It falls under tariff item 2608.00.00 as a zinc ore concentrate, with gold content reported for statistical purposes. The product is a mineral concentrate used in metallurgy, not excluded by Chapter 26 notes.
2608.00.00Polymetallic Zinc-Silver Ore Fines
Crushed fines from zinc-silver polymetallic deposits with reportable silver content exceeding statistical thresholds. Classified under tariff item 2608.00.00 as zinc ores and concentrates, with the silver content noted for statistical reporting. The product is a mineral in its natural state, not subjected to non-metallurgical processes.
2608.00.00Roasted Zinc Ore Sinter
A partially roasted sphalerite concentrate forming sinter with 50%+ zinc content, still considered ore before full smelting. The product is classified as a zinc ore concentrate because it has not undergone processes beyond normal metallurgical industry practices. It falls under tariff item 2608.00.00 for zinc ores and concentrates.
2608.00.00Sedex Zinc Ore
SEDEX zinc ore is a sedimentary exhalative deposit type featuring sphalerite in fine-grained sediment-hosted formations, such as those from Sullivan mine. It is a primary zinc ore processed by selective flotation, qualifying under tariff item 2608.00.00.
2608.00.00Silver-Bearing Zinc Concentrate (10% Ag)
A flotation-processed zinc concentrate containing 10% silver, used in smelting for dual metal recovery. It is classified under tariff item 2608.00.00 as a zinc ore concentrate, with the silver content reported for statistical purposes. The product is a metallurgical concentrate, not excluded by Chapter 26 notes.
2608.00.00Smithsonite Calamine Zinc Ore
A carbonate zinc ore concentrate from smithsonite (ZnCO3), known as calamine, with 35-50% zinc content after processing. The product is classified as a zinc ore concentrate because zinc is the principal metal of economic value. It falls under tariff item 2608.00.00 for zinc ores and concentrates.
2608.00.00Smithsonite Zinc Ore
Smithsonite is a zinc carbonate ore formed through supergene enrichment in zinc deposits. It is used in zinc production via roasting and leaching, making it a zinc ore classifiable under tariff item 2608.00.00.
2608.00.00Tenorite-Zinc Supergene Enrichment Concentrate
A supergene concentrate featuring tenorite (CuO) enriched over zinc sulfides in weathered deposits. The product is classified as a zinc ore concentrate because zinc is the principal metal of economic value. It falls under tariff item 2608.00.00 for zinc ores and concentrates.
2608.00.00Tetrahedrite-Zinc Ore Flotation Product
A concentrate featuring tetrahedrite (copper-antimony sulfide) intergrown with zinc minerals, separated for dual metal recovery. The product is classified as a zinc ore concentrate because zinc is the principal metal of commercial value. It falls under tariff item 2608.00.00 for zinc ores and concentrates.
2608.00.00Willemite Zinc Ore
Willemite is a zinc silicate mineral found in oxidized zinc deposits, often exhibiting fluorescent properties. It is a natural zinc ore suitable for concentration and smelting into zinc metal, falling under tariff item 2608.00.00.
2608.00.00Willemite Zinc Ore Concentrate
A concentrate derived from willemite (Zn2SiO4) ore, a silicate zinc mineral with approximately 45% zinc content post-flotation. The product is classified as a zinc ore concentrate because zinc is the principal metal of economic value. It falls under tariff item 2608.00.00 for zinc ores and concentrates.
2608.00.00Zinc Blende Ore
Zinc blende, also known as sphalerite, is the primary zinc ore consisting mainly of zinc sulfide (ZnS) with minor impurities. It is mined directly from deposits and used for zinc extraction, qualifying under tariff item 2608.00.00.
2608.00.00Zinc Blende Ore Concentrate
A concentrated form of zinc blende (sphalerite) ore, primarily sphalerite mineral with 40-50% zinc content after beneficiation. The product is classified as a zinc ore concentrate because zinc is the principal metal of economic value. It falls under tariff item 2608.00.00 for zinc ores and concentrates.
2608.00.00Zinc-Copper Blende Concentrate
A zinc ore concentrate derived from sphalerite (zinc blende) deposits containing significant copper impurities, processed to recover both metals. The product is classified as a zinc ore concentrate because zinc is the principal metal of economic value. It falls under tariff item 2608.00.00 for zinc ores and concentrates.
2608.00.00Zinc-Lead Mixed Ore
Zinc-lead mixed ore is a polymetallic ore containing both zinc and lead sulfides, such as those from Red Dog mine, with zinc as the principal value. It is classified under tariff item 2608.00.00 when zinc predominates and is processed for separate concentration.
2608.00.00Zinc-Lead Sulfide Mixed Concentrate
A mixed flotation concentrate derived from polymetallic ores, containing approximately 30% zinc with minor lead content. It is classified under tariff item 2608.00.00 as a zinc ore concentrate, with the zinc content determining its classification. The zinc assay is reported for statistical purposes as required by the Customs Tariff.
2608.00.00Zinc-Lead Sulfide Ore Concentrate
Zinc-lead sulfide ore concentrate primarily contains zinc sulfide (sphalerite) with significant lead content from galena inclusions. It is a zinc concentrate classifiable under tariff item 2608.00.00, with lead content reported statistically.
2608.00.00Zinc Ore with 5% Silver Content
A natural zinc ore concentrate containing approximately 5% silver by weight, extracted from silver-bearing zinc deposits. It is classified under tariff item 2608.00.00 due to its significant zinc content, with silver reported for statistical purposes. The product is a mineral concentrate used in metallurgy, not excluded by Chapter 26 notes.
2608.00.00Zinc Silicate Ore Concentrate Borderline
Zinc silicate ore fines are low-grade materials suitable for heap leaching rather than flotation. They are classified as crude ore under tariff item 2608.00.00 when not fully concentrated, as they are minerals used for zinc extraction in the metallurgical industry.
2608.00.00Zinc-Silver Ore from Skarn Deposits
Ore from skarn deposits containing zinc sulfides and silver minerals, processed to concentrates with quantifiable silver content. It falls under tariff item 2608.00.00 as a zinc ore concentrate, with silver reported for statistical purposes. The product is not excluded by Chapter 26 notes as it is a mineral concentrate for metallurgical use.