Commodity
Index-linkedBulk Seda follows a global index more than a boutique mill.
Prices are bands. A 2024 coil is not a 2026 contract. Labour and certification often dwarf the commodity.
Producers listed are landmarks for orientation, not a ranking or a procurement list.
Bandas de coste
Specified grade
PremiumTight chemistry, cleanliness or certification multiplies the unit price.
System
InstalledBoards, coats and labour dwarf kilogram prices.
Certified / medical / aero
HighestPaperwork is the product.
Trial / green route
PolicyLow-carbon or bio routes still trade on certificates.
Regiones
East Asia
Volume production and finishing.
Europe
Standards (EN, Euroclass) and specialty.
North America
ASTM / NFPA language and large domestic mills.
Korea / Japan
High-spec sheet, fibres, electronics-adjacent ceramics.
Resource belts
Ore, plantations or energy that feed primary routes.
Global trade
Seda moves as coils, bales, boards or chemicals — check HS codes, not vibes.
Cifras clave
~1.34 g/cm³Density
lowThermal
combustible proteinFire letter
34Atlas insulation
Productores
China
Still the volume filament.
India
Mulberry plus wild silks (tussar, eri, muga).
Uzbekistan
Central Asian heritage reels.
Brazil
New World sericulture.
Japan
High-end shrinking volume.
Thailand
Handloom luxury.
Ask for the route (primary, scrap, bio) before believing a green label.
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