2841.80.00.20 - Of calcium
Details
| Field | Value |
|---|---|
| Unit of Quantity | kg, W kg |
| General Rate of Duty | 5.5% |
| Special Rate of Duty | Free (A+,AU,BH,CL,CO,D,E,IL, JO,KR,MA, OM,P, PA,PE,S,SG)
A+
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AU
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BH
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CL
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CO
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D
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NE
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IL
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KR
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OM
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P
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PA
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PE
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S
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SG
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|
| Column 2 Rate of Duty | 49.5% |
| Quota Quantity | N/A |
| Additional Duties | N/A |
Overview
This HTS category, 2841.80.00.20, specifically classifies tungstates (also known as wolframates) that are compounds containing calcium. Tungstates are salts or esters of tungstic acid, characterized by the presence of the tungstate anion (WO₄²⁻). This particular classification applies when the other cation present in the salt is calcium. Examples include calcium tungstate, often used in phosphors for lighting and display technologies.
This category is distinguished from its siblings primarily by the specific cation associated with the tungstate anion. While 2841.80.00.10 covers ammonium tungstates and 2841.80.00.50 encompasses all other tungstates not specified, this subheading precisely targets those containing calcium. Therefore, the defining criterion for inclusion here is the presence of calcium as a constituent element in the tungstate compound.
As a leaf node within the HTS structure, 2841.80.00.20 does not have further subdivisions. Classification into this specific subheading relies on confirming that the tungstate in question is indeed derived from calcium and tungstic acid. The physical form or specific application of the calcium tungstate is secondary to its chemical composition for classification purposes at this level.