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HSChapter 38
U.S. imports of supported catalysts with nickel or nickel compounds as the active substance (HS 381511) totaled $2.5M in April 2026, traded with 16 countries.
Importers of Supported Catalysts with Nickel or Nickel Compounds as the Active Substance paid $207K in duties in April 2026 — an effective duty rate of 10% on $2.1M in dutiable value, based on actual customs collections rather than the published tariff schedule. Supported Catalysts with Nickel or Nickel Compounds as the Active Substance imports of $2.5M in April 2026 ran 31% below the year-to-date monthly average of $3.5M.
Last updated: April 2026 dataNickel-based supported catalysts are workhorses of industrial hydrogenation — used in edible-oil hardening, petrochemical refining, and specialty chemical synthesis — where nickel is dispersed on a carrier such as alumina, silica, or kieselguhr. Germany is the leading US import source for this heading, reflecting the concentration of advanced catalyst manufacturing in European chemical clusters, with India and Denmark also significant suppliers. Because this heading resolves to a single 10-digit line (3815110000), classification disputes typically turn on whether the active substance is metallic nickel or a nickel compound, and whether the product meets the 'supported' criterion versus a bulk nickel compound of Chapter 28.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
A supported catalyst has nickel or a nickel compound deposited on or within an inert carrier material (such as alumina, silica, or carbon) that provides surface area and mechanical structure. Bulk nickel compounds without a carrier substrate are classified in Chapter 28. The physical form and the functional role of the carrier are the key classification criteria; a CBP binding ruling can resolve borderline cases.
Not necessarily. Spent catalysts that have lost their catalytic function may be reclassified as waste or residues of precious or base metals depending on their composition and intended use upon import. Importers should evaluate whether the material is being imported for reuse as a catalyst or for metal recovery, as the latter may trigger a different chapter classification and separate regulatory considerations.
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Monthly import values over time
| Country | Imports | Exports | Balance |
|---|---|---|---|
| INDIA | $392K | $6.4M | +$6.0M |
| CANADA | $330K | $2.1M | +$1.7M |
| BELGIUM | $165K | $2.2M | +$2.0M |
| KOREA, SOUTH | -- | $2.3M | +$2.3M |
| CHINA | $280K | $1.7M | +$1.4M |
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 3815110000 | SUPPORTED CATALYSTS W NICKEL/NICKEL COMPOUND ETC | $2.5M | 10.00% | $207K |
SUPPORTED CATALYSTS W NICKEL/NICKEL COMPOUND ETC
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 3815110000 | SUPPORTED CATALYSTS W NICKEL/NICKEL COMPOUND ETC | $19.2M |
SUPPORTED CATALYSTS W NICKEL/NICKEL COMPOUND ETC
1.2M kg
PRODUCTS AND RESIDUALS OF CHEMICAL INDUSTRY, NESOI
HS 382499
DIAGNOSTIC OR LABORATORY REAGENTS INCL KITS, NESOI
HS 382219
CHEM ELEM DOPED, USED IN ELECTRON, DISCS WAFERS ET
HS 381800
SUPPORTED CATALYSTS W PREC METAL/PREC MTL COMPND
HS 381512
SUPPORTED CATALYSTS, NESOI
HS 381519
ADDITIVE FOR LUB OIL CONT PETRO/BITUMINOUS MINOIL
HS 381121
| Port | Imports | Exports | Balance |
|---|---|---|---|
| HOUSTON, TX | $1.3M | $7.5M | +$6.2M |
| NEW YORK, NY | $136K | $5.7M | +$5.5M |
| PEMBINA, ND | $303K | $1.6M | +$1.3M |