KY Crystal Ingot
Potassium Titanyl Phosphate (KTP) single crystal ingot grown by flux method, weighing over 2.5 grams, for nonlinear optics. This cultured crystal is not an optical element and falls under heading 38.24.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the ingot is processed into an optical element
Finished optical elements are classified in Chapter 90.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Ensure the ingot is documented as a cultured crystal with weight over 2.5g
• Verify it is not a finished optical element
• Consult CBSA for classification if the ingot is for laser applications
Related Products under Tariff item 3824.99.00
5-Fluoro-2-Methyl-1-[[4-(Methylsulfinyl)-Phenyl]Methylene]-1H-Indene Compound
5-Fluoro-2-methyl-1-[[4-(methylsulfinyl)-phenyl]methylene]-1H-indene is a synthetic indene derivative used in pharmaceutical intermediates and agrochemical synthesis. This preparation contains 5% or more of the modified aromatic substance, placing it under tariff item 3824.99.00 as a chemical product not elsewhere specified.
Advanced Packaging Photoresist Mixture
This aqueous preparation of specified sulfonium chlorides is used in fan-out wafer-level packaging for mobile processors. It falls under tariff item 3824.99.00 as a chemical product not elsewhere specified, due to its defined aromatic sulfonium content in chemical preparations.
Anthracene Oil for Dye Production
Anthracene oil is a coal tar fraction rich in anthracene and phenanthrene, used as a feedstock for producing alizarin dyes and pharmaceuticals. It consists entirely of naturally occurring coal tar aromatics. This product falls under tariff item 3824.99.00 as a chemical product of the chemical or allied industries, not elsewhere specified or included.
Aromatic Amine Antioxidant Formulation
This is a stabilizer mixture containing aromatic amines above 5% concentration, used to prevent oxidation in fuels and lubricants. It is classified under tariff item 3824.99.00 as a chemical preparation of the chemical or allied industries not elsewhere specified or included, being a formulated additive mixture rather than a separate chemically defined compound.
Aromatic Epoxy Resin Hardener Mixture
This is a two-part chemical preparation used as a hardener for epoxy resins, containing over 5% aromatic substances such as benzyl alcohol and phenyl glycidyl ether. It falls under tariff item 3824.99.00 as a chemical preparation of the chemical or allied industries not elsewhere specified or included, being a formulated curing agent mixture.
Aromatic-Modified Adhesive Promoter Primer
This is a primer solution that enhances adhesion of glues to metal and plastic surfaces, containing greater than 5% aromatic silanes for chemical bonding. It is classified under tariff item 3824.99.00 as a chemical preparation of the chemical or allied industries not elsewhere specified or included, being a formulated adhesion promoter mixture.