Plastics and rubber / HTS 3910.00.00.00
Silicones in primary forms from China: 40.5% import duty
A worked example on a $10,000 commercial shipment of silicones in primary forms. Priced Sep 2, 2026 by the Gateway tariff engine, the same engine behind the calculator, with every active duty program stacked and every carve-out shown.
Effective duty rate
40.5%
All active programs stacked
Duties on $10,000
$4,050
Ad valorem duty amount
CBP fees
$47.14
MPF and HMF, ocean entry
Landed cost
$14,097.14
Goods, duties and fees
How the rate is built
Each line is a separate legal authority. They stack on the $10,000 customs value unless a carve-out says otherwise.
| Program | Rate | Amount |
|---|---|---|
General rate of duty (Column 1) Official rate: 3% 3910.00.00.00 | 3% | $300.00 |
Section 301 China (List 2) | 25% | $2,500.00 |
Section 301 forced labor This HTS appears on the 9903.05.89 exemption list for articles for use in pharmaceutical applications (U.S. note 52(e)). That exemption depends on the END USE of the goods, which cannot be read from an HTS code, so the duty is charged here. If your entry qualifies, claim 9903.05.89 and this 12.5% does not apply — confirm with your customs broker. 9903.05.31 | 12.5% | $1,250.00 |
Effective duty rate | 40.5% | $4,050.00 |
Notes for this line
- Section 301 China tariff (List 2) adds 25% to this product.
- Section 301 forced labor (9903.05.31) adds 12.5% on all products of this origin.
- Possible conditional exemption from Section 301 forced labor (not auto-applied): This HTS appears on the 9903.05.89 exemption list for articles for use in pharmaceutical applications (U.S. note 52(e)). That exemption depends on the END USE of the goods, which cannot be read from an HTS code, so the duty is charged here. If your entry qualifies, claim 9903.05.89 and this 12.5% does not apply — confirm with your customs broker.
What changed on this lane
48% before the first entry below, 40.5% today.
- Feb 20, 2026IEEPA tariffs removed (SCOTUS)-20 pts
- Jul 24, 2026Section 301 forced labor: articles the product of China (U.S. note 52) added+12.5 pts
Official classification
3910.00.00.00Silicones in primary forms
Silicones in primary forms
Source: Harmonized Tariff Schedule of the United States, USITC, current revision. General rate of duty (Column 1) as published; Chapter 99 headings as listed in the table above.
More from China
Other lines importers price from the same origin.
- Plastic tableware and kitchenware 3924.10.40.00
- Other plastic articles 3926.90.99.89
- Plastic bottles and flasks 3923.30.00.90
- Other plastic household articles 3924.90.56.50
- Plastic ornamental articles 3926.40.00.90
- Polyethylene plastic sheets 3920.10.00.00
- Metallized PET film 3920.62.00.50
- Plastic sacks and bags 3923.29.00.00
Questions about this example
- What is the import duty on silicones in primary forms from China?
- On HTS 3910.00.00.00 the effective duty rate is 40.5% (3% general rate + 25% Section 301 + 12.5% forced labor). On a $10,000 customs value that is $4,050 in duty before CBP fees.
- Which tariff programs apply to HTS 3910.00.00.00 from China?
- Section 301 China (List 2) at 25%; Section 301 forced labor at 12.5% (9903.05.31).
- What does CBP charge on top of the duty?
- The Merchandise Processing Fee at 0.3464% of value, $34.64 here, subject to the statutory minimum and maximum. The Harbor Maintenance Fee at 0.125% on ocean entries, $12.50 here. Total government fees on this shipment: $47.14. Collected by U.S. Customs and Border Protection.
- Is this the exact amount my customs broker will collect?
- It is a planning estimate priced by the Gateway tariff engine on the assumptions shown: HTS 3910.00.00.00, China origin, $10,000 customs value, ocean transport. The entered classification, the appraised value, the entry date and any exclusion or program claim change the result, and antidumping or countervailing rates are exporter-specific. Run your own numbers in the calculator and confirm with a licensed broker.
Estimate for planning purposes only, priced on the assumptions stated above. Actual duties depend on the entered classification, the appraised value, the entry date and any program or exclusion claimed, and antidumping or countervailing rates are exporter-specific. Gateway Lines is not a licensed customs broker; confirm official determinations with one.