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HSChapter 33
U.S. imports of dental floss (HS 330620) totaled $15.6M in May 2026, traded with 14 countries.
Importers of Dental Floss paid $2.1M in duties in May 2026 — an effective duty rate of 14% on $14.8M in dutiable value, based on actual customs collections rather than the published tariff schedule. Dental Floss imports of $15.6M in May 2026 ran 23% above the year-to-date monthly average of $12.7M.
Last updated: May 2026 dataDental floss — classified as yarn used to clean between the teeth — is a widely traded personal-care consumable that FDA regulates as a medical device under the Class II device framework, requiring 510(k) clearance or an applicable exemption before US market entry. All US imports fall under the single tariff line 3306200000. China is the dominant supplier, with Ireland and the Dominican Republic also notable sources; importers relying heavily on Chinese-origin floss should assess Section 301 tariff exposure as part of landed-cost modeling.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Yes. FDA classifies dental floss as a Class II medical device. Most conventional floss products are exempt from premarket notification (510(k)), but importers should verify that the specific product and any therapeutic claims (e.g., fluoride-coated floss) fall within the exemption. Establishment registration and device listing with FDA are generally required.
Regardless of whether the floss is made from nylon, PTFE (polytetrafluoroethylene), or natural silk, and whether it is waxed, flavored, or coated, the product classifies under 3306200000 as long as its intended use is interdental cleaning. A product marketed primarily as a textile yarn for other purposes would need to be evaluated under a different chapter.
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Monthly import values over time
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 3306200000 | YARN USED TO CLEAN BETWN THE TEETH (DENTAL FLOSS) | $11.4M | 11.89% | 88.96% | $1.4M |
YARN USED TO CLEAN BETWN THE TEETH (DENTAL FLOSS)
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 3306200000 | YARN USED TO CLEAN BETWN THE TEETH (DENTAL FLOSS) | $3.1M |
YARN USED TO CLEAN BETWN THE TEETH (DENTAL FLOSS)
182.6K kg
| Country | Imports | Exports | Balance |
|---|---|---|---|
| CHINA | $9.7M | $336K | -$9.3M |
| IRELAND | $1.8M | -- | -$1.8M |
| CANADA | -- | $1.5M | +$1.5M |
| DOMINICAN REPUBLIC | $1.5M | $3K | -$1.4M |
| ITALY | $1.4M | -- | -$1.4M |
| State | Imports | Exports | Balance |
|---|---|---|---|
| Illinois | $1.7M | $389K | -$1.3M |
| California | $1.9M | $10K | -$1.9M |
| Texas | $1.4M | $445K | -$996K |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| LOS ANGELES, CA | $4.9M | $41K | -$4.9M |
| LAREDO, TX | $1.4M | $485K | -$908K |
| MIAMI, FL | $1.7M | $26K | -$1.7M |