Molybdenum Catalyst Gauze 40 Mesh
Platinum-rhodium supported molybdenum catalyst gauze for nitric acid production. Fabricated under HTS 8102.99.00.00 as industrial articles despite precious metal impregnation. High surface area design.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If PGM content >50% by weight
Predominantly precious metal articles classify under Chapter 71.
If mounted in complete reactor basket
Parts of chemical processing filtering equipment under 8421.
If spent catalyst for recovery
Waste/spent catalysts shift to Chapter 38 supported catalyst heading.
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Import Tips & Compliance
• PGM (Pt/Rh) loading percentage critical; >50% risks Chapter 71 precious metal classification
• Gauze activation history documentation for used catalyst imports
• Chemical plant end-use requires HAZMAT shipping papers
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