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HSChapter 50
U.S. imports of silk yarn & yarn spun from silk waste, put up for retail sale; silkworm gut (HS 500600) totaled $419K in April 2026, traded with 17 countries.
Importers of Silk Yarn & Yarn Spun from Silk Waste, Put Up for Retail Sale; Silkworm Gut paid $35K in duties in April 2026 — an effective duty rate of 10% on $340K in dutiable value, based on actual customs collections rather than the published tariff schedule. Silk Yarn & Yarn Spun from Silk Waste, Put Up for Retail Sale; Silkworm Gut imports of $419K in April 2026 ran 59% above the year-to-date monthly average of $264K.
Last updated: April 2026 dataRetail-packaged silk yarn and yarn spun from silk waste occupy a specialized niche in the luxury textile supply chain, serving hand-weavers, embroiderers, and high-end apparel producers. The US schedule breaks this heading into three 10-digit lines: 5006000000 (general), 5006001000 (spun from silk waste, at least 85% silk or silk waste), and 5006009000 (other, including silkworm gut). India leads US imports under this heading, followed by Japan, reflecting both volume production and artisan-grade specialty output. Because these yarns are sold in retail form, classification hinges on packaging and presentation rather than fiber composition alone.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
The key split is fiber-content threshold and end product: 5006001000 covers yarn spun from silk waste containing at least 85% silk or silk waste, while 5006009000 captures all other silk yarn, yarn spun from silk waste put up for retail sale, and silkworm gut. Correct classification requires verifying both the fiber-content percentage and whether the product is genuinely put up for retail sale.
Importers should be prepared to show that the yarn is wound on spools, cards, or similar retail packaging in quantities suitable for individual consumer purchase. Bulk cones or industrial-scale packages are generally not considered 'put up for retail sale' and would classify elsewhere in Chapter 50. A licensed customs broker can help confirm packaging meets the heading's retail-sale criterion.
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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 % | Duty Collected |
|---|---|---|---|---|
| 5006009000 | SLK YRN & YRN SPN SLK WST RTL SL; SLKWRM GUT, OTHR | $292K | 10.35% | $26K |
| 5006001000 | SLK YRN SPUN FROM SLK WST RTL GT=85% SLK/SLK WTR | $127K | 10.31% | $9K |
SLK YRN & YRN SPN SLK WST RTL SL; SLKWRM GUT, OTHR
SLK YRN SPUN FROM SLK WST RTL GT=85% SLK/SLK WTR
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 5006000000 | SILK YARN&YARN/SILK WASTE,RETAIL SALE,SILKWORM GUT | $19K |
SILK YARN&YARN/SILK WASTE,RETAIL SALE,SILKWORM GUT
708 kg
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
YARN SPUN FROM SILK WASTE NOT PUT UP RETAIL SALE
HS 500500
SILK WASTE
HS 500300
| State | Imports | Exports | Balance |
|---|---|---|---|
| Massachusetts | $135K | -- | -$135K |
| Florida | $84K | -- | -$84K |
| New York | $35K | $10K | -$25K |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| JFK INTERNATIONAL AIRPORT, NY | $186K | -- | -$186K |
| MIAMI, FL | $62K | -- | -$62K |
| CLEVELAND, OH | $55K | -- | -$55K |