Tungsten Boron Nitride Composite Powder
Intimate mixture of tungsten powder and boron nitride for high-temperature lubricant and mold release applications in hot pressing. Inorganic composite with solid lubricant properties. Under 3824.99.3500 as tungsten inorganic mixture.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | 6.5% | +35.0% | 41.5% |
| 🇲🇽Mexico | 6.5% | +10.0% | 16.5% |
| 🇨🇦Canada | 6.5% | +10.0% | 16.5% |
| 🇩🇪Germany | 6.5% | +10.0% | 16.5% |
| 🇯🇵Japan | 6.5% | +10.0% | 16.5% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If pure boron nitride
Unmixed boron nitride classifies as other inorganic compounds.
If non-tungsten lubricant mixes
Lubricant preparations without tungsten fall under general inorganic mixtures.
If graphite/tungsten oil mixes
Petroleum-based lubricant carriers shift to Chapter 27.
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Import Tips & Compliance
• XRD analysis confirms composite structure vs. simple mechanical blend
• Class 9 miscellaneous dangerous goods for air shipment of fine powders
• Specify apparent density and flow rate for foundry additive verification
Related Products under HTS 3824.99.35.00
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