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HSChapter 50
U.S. imports of raw silk (not thrown) (HS 500200) totaled $575 in April 2026, traded with 4 countries.
Raw Silk (Not Thrown) imports of $575 in April 2026 ran 88% below the year-to-date monthly average of $5K.
Last updated: April 2026 dataRaw silk in the 'not thrown' state is reeled filament that has not yet been twisted or plied into thrown silk yarn — placing it at a critical intermediate stage between cocoon reeling and yarn production. Switzerland leads US imports under this heading, a somewhat counterintuitive pattern that reflects Switzerland's role as a trading and re-export hub for Asian-origin raw silk rather than domestic sericulture. China and Italy are also significant sources. The single US tariff line (5002000000) covers all grades and deniers of not-thrown raw silk, so grade and denier specifications are commercial rather than classification distinctions.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Raw silk (not thrown) under HTS 500200 consists of reeled filaments that have not been twisted together. Once the filaments are twisted or plied — a process called 'throwing' — the product becomes thrown silk yarn, classified under HTS 5004. The degree of twist and whether multiple threads have been combined are the key technical distinctions CBP and importers use to differentiate the two.
Switzerland functions primarily as a trading and re-export hub: Swiss-based commodity traders and textile intermediaries purchase raw silk from producing countries — notably in Asia — and re-export it globally, including to the US. Country-of-origin rules for raw silk are based on where the silk was reeled, not where it was traded, so importers must obtain accurate origin documentation from Swiss suppliers to ensure correct marking and duty treatment.
Monthly import values over time
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HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 5002000000 | RAW SILK (NOT THROWN) | $575 | 10.09% | $58 |
RAW SILK (NOT THROWN)
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 5002000000 | RAW SILK (NOT THROWN) | $0 |
RAW SILK (NOT THROWN)
WOV FAB OV 85% SILK OR SILK WASTE EXCEPT NOIL SLK
HS 500720
WOVEN FABRICS OF NOIL SILK
HS 500710
SILK YARN, NOT SPUN FROM WASTE, NOT RETAIL PACKED
HS 500400
WOVEN FABRICS OF SILK OR SILK WASTE, NESOI
HS 500790
SILK YARN & YARN FROM WASTE RETAIL PK; SILKWM GUT
HS 500600
YARN SPUN FROM SILK WASTE NOT PUT UP RETAIL SALE
HS 500500
| State | Imports | Exports | Balance |
|---|---|---|---|
| California | $318 | -- | -$318 |
| New Jersey | $257 | -- | -$257 |
| Maryland | -- | -- | -- |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| NEW ORLEANS, LA | $575 | -- | -$575 |
| DALLAS-FORT WORTH, TX | -- | -- | -- |
| JFK INTERNATIONAL AIRPORT, NY | -- | -- | -- |