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Polycrystalline Synthetic Diamond Powder 325 Mesh Lapping Grade from Germany

Polycrystalline synthetic diamond powder at 325 mesh (44 micron), optimized for lapping carbide and ceramic substrates. Classifies in 7105.10.0030 as it meets synthetic diamond powder definition with 80 mesh or finer particles per sieve note. Key for hard disk drive manufacturing.

Duty Rate — Germany → United States

10%

Rate breakdown

9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%

Import Tips

Batch testing for friability index recommended; high friability may trigger abrasion testing by CBP

Package in nitrogen-flushed containers; oxidation proof required for fines storage