Tariffs API
HTS 3816 Tariff
HTS 3816 classifies "Refractory cements, mortars, concretes and similar compositions, including dolomite ramming mix, other than products of heading 3801:" in the US Harmonized Tariff Schedule. Base duty rates below apply to most trade; country of origin can change applicable rates and add additional duties (e.g. Section 301). Use the calculator or API to compute total duty.
- Type: Base HTS
- How to use: Base rates apply to most countries (General/Special). Column 2 applies to non-MFN countries. Additional duties (Section 301, 232, IEEPA) may apply by origin; use the calculator or resolve API to get the full picture.
Related explainers:
Official HTS Description
Official product classification and description from the Harmonized Tariff Schedule
Product Name
Refractory cements, mortars, concretes and similar compositions, including dolomite ramming mix, other than products of heading 3801:
HTS Schedule Description
Refractory cements, mortars, concretes and similar compositions, including dolomite ramming mix, other than products of heading 3801:
Additional Description
Refractory cements, mortars, concretes and similar compositions, including dolomite ramming mix, other than products of heading 3801:
HS Code
3816
HTS Number
3816
Classification Level
Level 0 (more specific = higher level)
Additional Duties (Section 301, 232, etc.)
Country-specific additional tariffs separate from base rates
Select a country of origin above to check for additional duties like Section 301 (China), Section 232 (Steel/Aluminum), and other trade measures.
These duties are country-specific and separate from the base tariff rates shown above.
Related HTS Codes
Other codes in the same chapter ( 3816)
Showing up to 12 related codes. Search all HTS codes for more.
Frequently Asked Questions
This is a US Harmonized Tariff Schedule (HTS) code that classifies "Refractory cements, mortars, concretes and similar compositions, including dolomite ramming mix, other than products of heading 3801:". It determines base duty rates for imports; additional duties may apply by country of origin.
Yes. General and Special rates apply by trade agreement and origin. Additional duties (Section 301, 232, IEEPA) are origin-specific. Use the tariff calculator or resolve API with an origin to see full duty.
Use our tariff calculator (with HTS and optional origin) or the API endpoint GET /api/v1/tariffs/resolve with hts and origin. The API returns base tariffs and additional measures separately; sum as needed for your use case.
Duty rates (HTS columns)
Base duty rates and agreement-specific tariffs for this product
Column 1 - General
No general rate available
Column 1 - Special
No special rate available
Column 2
No column 2 rate available