Brazilian Bombyx Raw Silk Filament
Raw silk produced in Brazil's emerging sericulture industry from Bombyx mori cocoons, reeled into continuous filaments without throwing. This high-quality raw material supports global silk weaving with its natural luster and strength. HTS 5002.00.00.00 applies to this unprocessed, noil-free silk.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If doubled and twisted
Twisting multiple raw silk filaments creates thrown silk yarn under 5004, altering from raw form.
If for lower-grade with impurities
Silk with visible noil or waste particles is raw silk noil under 5003, not clean filament.
If spun into worsted fabric
Raw silk processed into spun yarn fabric classifies under Chapter 51 wool/silk blends or pure silk woven goods.
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Import Tips & Compliance
• Include lab tests confirming 100% mulberry silk fiber content; use ventilated containers to prevent mold from humidity; track cocoon-to-reel traceability for CITES compliance if applicable
Related Products under HTS 5002.00.00.00
Chinese Bombyx Mori Raw Silk
Raw silk filament reeled from cocoons of the Bombyx mori silkworm, sourced from mulberry plantations in China. This unthrown silk retains its natural gum (sericin) and has not undergone any twisting or processing beyond reeling. It falls under HTS 5002.00.00.00 as raw silk noil-free and not thrown, representing the primary form of silk for further textile processing.
Indian Mulberry Raw Silk
Premium raw silk reeled from domesticated silkworms fed on mulberry leaves in India's traditional sericulture regions. The filaments are unprocessed beyond degumming prevention and skein formation, maintaining natural whiteness and gum content. Classified under HTS 5002.00.00.00 for its raw, unthrown state suitable for throwing mills.
Vietnamese Cultivated Raw Silk
Raw silk filament harvested from Vietnamese mulberry silkworm farms, carefully reeled to preserve length and uniformity. Untreated and unthrown, it embodies the natural state post-cocoon extraction. Perfectly matches HTS 5002.00.00.00 for raw silk import duties.
Uzbek Mulberry Raw Silk Hanks
Hanks of raw silk reeled from Uzbek Bombyx mori cocoons, featuring excellent tensile strength and natural off-white color. This unthrown filament is the foundational material for luxury silk yarns. HTS 5002.00.00.00 covers this exact raw silk product.
Japanese Reeled Raw Silk
High-grade raw silk reeled using traditional Japanese techniques from superior Bombyx mori strains. The filaments remain untwisted and gum-coated for optimal dye uptake later. Strictly HTS 5002.00.00.00 as raw, not thrown silk.