HS Code for Silica Sand
The HS Code for silica sand is 250510. The MFN duty rate for importing to the US is Free.
| HS Code (6-digit) | 250510 |
|---|---|
| US Duty Rate (MFN) | Free |
| EU Duty Rate (MFN) | 0% |
| Chapter | 25 |
| Heading | 2505 |
| Last Updated | 2026-05 |
Description
Silica sands and quartz sands
This HTS code covers silica sands and quartz sands, which are imported duty-free into the United States.
Frequently Asked Questions
What are the specific customs inspection risks for importing silica sand under HTS 2505.10?
The primary risk is classification verification to distinguish industrial-grade silica sands from higher-purity quartz sands for optical/electronic uses, which fall under a different heading (2506). Customs may test the silica (SiO2) content and detain shipments if the grade and declared use are inconsistent, as this affects duty rates and potential quota restrictions.
What are the key cost factors beyond the product price when importing silica sand (HTS 250510) into the United States?
Key additional costs include the 2.8% Most Favored Nation (MFN) tariff rate applied to the customs value and the Harbor Maintenance Fee (HMF), typically 0.125% of the cargo value for commercial vessels. For large bulk shipments, significant demurrage and detention charges may also accrue if port unloading or container return is delayed.
Silica Sand Import Compliance Notes
Silica sands classified under 2505.10.0000 are subject to Section 301 tariffs when imported from China, currently at a 25% ad valorem rate. Importers must ensure the material is not contaminated with heavy metals or other substances that could trigger regulations under TSCA (Toxic Substances Control Act) or require reporting for substances like crystalline silica under OSHA's Hazard Communication Standard. For sands used in hydraulic fracturing (fracking), additional documentation proving the origin and composition may be required by the Bureau of Industry and Security (BIS) for anti-terrorism and energy security reviews. Always verify if the specific end-use, such as for foundry or glass manufacturing, aligns with any applicable quota or license exceptions.
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