Precision Lapping Synthetic Diamond Powder 1-3µm

Monocrystalline synthetic diamond powder 1-3 micron size for final lapping of hydraulic spools and precision bearings. Meets all HTS 7105.10.0050 criteria for synthetic diamond powder. Optical and metrology grade purity.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

3405.90.00.00Same rate: 35%

If pre-made polishing slurries

Ready-to-use diamond suspensions in liquid classify as polishes/scouring preparations.

7114Lower: 13% vs 35%

If silversmiths' polishing compounds

If marketed for precious metal polishing with silver content, may classify in 7114.

8205.59.10.00Higher: 42.2% vs 35%

If tool components with fixed diamonds

Lapping plates with permanently embedded diamonds classify as tools.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Provide flatness specification (Ra <5nm achievable) for precision lapping verification

Use PG mixers only for slurry preparation post-import; ship dry powder

Document spherical crystal percentage (>80%) for flat lapping performance

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