TL;DR: **HS code 6804.21 applies to metal-coated synthetic diamond powder as abrasives in Chapter 68.** 2025 updates include GCC 12-digit codes, US HTS mandates; follow 5-step classification for tariff compliance. Covers regional changes, duties, and FAQs.
HS Code for Metal-Coated Synthetic Diamond Powder
What Is Metal-Coated Synthetic Diamond Powder?
**Metal-coated synthetic diamond powder consists of ultra-hard synthetic diamond particles coated with metals like nickel or titanium.**
This enhances bonding, conductivity, and durability for industrial uses.
- Precision polishing in electronics and optics.
- Grinding tools for aerospace components.
- Semiconductor wafer processing.
- Automotive engine part finishing.
- Medical device manufacturing.
Accurate HS code classification ensures smooth customs clearance.
Primary HS Code: 6804.21 for 2025 Shipments
**HS 6804.21 covers agglomerated or coated synthetic diamond powders used as abrasives.**
Found in Chapter 68: Articles of stone, plaster, cement, asbestos, mica or similar materials.
- Applies to metal-coated variants for grinding tools.
- Excludes pure chemicals; focuses on abrasive function.
- Stable since WCO HS 2022 (no revision until 2027).
- Key for tariff compliance 2025.
- Used globally for import/export declarations.
National adaptations add digits for precision.
Alternative HS Codes to Consider in 2025
**HS 3824.99 may apply if primarily a chemical preparation rather than abrasive.**
- Covers mixtures not specified elsewhere.
- Suitable for non-abrasive additive uses.
- Rare for metal-coated diamond powder.
- Check Chapter 28-38 for pure synthetics.
- Always prioritize principal use per WCO rules.
Consult official tools for HS code changes 2025.
Factors Affecting HS Code Classification 2025
**Product specifications determine the correct HS code for metal-coated synthetic diamond powder.**
- Coating type: Nickel plating vs. titanium for conductivity.
- Particle size: Micron powders (<10μm) vs. coarser grits.
- Primary function: Abrasive (6804.21) or chemical additive.
- Purity levels: Synthetic diamond content percentage.
- Intended use: Tools, polishing, or composites.
2025 regional rules amplify these factors.
2025 HS Code Changes for E-Commerce Imports
**2025 brings targeted national updates to HS codes despite global WCO stability.**
| Region | 2025 Change | Impact on Diamond Powder |
| US | USPS HTS mandatory from Sep 2025 | All shipments require 6804.21; no de minimis exemption |
| GCC | 12-digit HS codes mandatory Jan 1 | Detailed subheadings for abrasives like 6804.21.00 |
| EU | Combined Nomenclature 2025 updates | Refined notes on synthetic abrasives |
| China | National tariff adjustments | Enhanced scrutiny on high-tech imports |
Source: WCO, national customs portals (2025 data).
HS Code Comparison: 2022 vs 2025 Table
**Track changes for tariff compliance 2025 with this comparison.**
| Product | 2022 HS | 2025 HS | Region | Duty Impact |
| Nickel-coated powder | 6804.21 | 6804.21.0000 | GCC | +1-2% precision duty |
| Titanium-coated grit | 6804.21 | 6804.21 (notes refined) | EU | No change, better clarity |
| Synthetic abrasives | 6804.21 | HTS full mandatory | US | Full valuation applies |
5-Step Guide: How to Find HS Code in 2025
**Use this step-by-step process for accurate HS code classification of metal-coated synthetic diamond powder.**
- Review product specs: Composition, coating, particle size, primary use.
- Search WCO HS Nomenclature online browser.
- Check national updates: USITC HTS, EU TARIC, GCC portals for 2025.
- Compare chapters: 68 (abrasives) vs. 38 (chemicals).
- Obtain binding ruling from customs if uncertain.
Essential for 2025 HS codes guide compliance.
Duty Rates and Trade Rules for HS 6804.21 in 2025
**Correct classification minimizes duties and avoids penalties.**
- Typical duties: 0-5% for 6804.21; higher for misclassified 3824.99.
- Trade agreements: USMCA, CPTPP favor precise HS codes.
- Dual-use controls: Possible export licenses for high-tech abrasives.
- Penalties: Fines up to 100% of shipment value for errors.
- E-commerce: Low-value exemptions ending in key markets.
Common HS Code Challenges for Diamond Powder 2025
**Overcome these pitfalls for smooth tariff compliance 2025.**
- Diverse global interpretations of 'agglomerated'.
- Emerging coatings from tech advances.
- 12-digit complexity in GCC countries.
- Limited rulings for niche variants.
- E-commerce volume overwhelming customs.
FAQ: HS Code for Metal-Coated Synthetic Diamond Powder
What is the main HS code for metal-coated synthetic diamond powder?
HS 6804.21 under Chapter 68 for abrasive applications.
Has the HS code for synthetic diamond powder changed in 2025?
No global WCO change until 2027, but national extensions like GCC 12-digit apply.
Does metal coating affect the HS code classification?
No, coating enhances abrasiveness, keeping it under 6804.21.
What is HS code 6804.21 used for?
Agglomerated synthetic or natural diamond used in grinding or polishing.
How do 2025 US rules impact diamond powder imports?
HTS codes mandatory for all values post-de minimis changes.
Is 3824.99 ever correct for coated diamond powder?
Only if primary use is chemical additive, not abrasive.
What are GCC 12-digit HS codes for 2025?
Extended subheadings like 6804.21.0000 for precise abrasive classifications.
Where to verify 2025 HS code changes?
Use WCO browser, USITC HTS, EU TARIC official sites.
What penalties for wrong HS code in 2025?
Fines up to 100% value plus delays and seizures.
Resources
For 2025 HS code assistance, Book a Demo. Contact: HKG +852 24671689 (Business) / +852 28121686 (Personal), CHN +86 4008751689, USA +1 337 361 2833, GBR +44 808 189 0136, AUS +61 180002752, Email: enquiry@freightamigo.com (WhatsApp available).
. Sources: WCO HS Nomenclature, USITC HTS.