Commodity
Index-linkedBulk 硅橡胶 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.
成本带
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.
地区
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
硅橡胶 moves as coils, bales, boards or chemicals — check HS codes, not vibes.
关键数字
~1.1–1.5 g/cm³Density
~0.2 W/m·K; filled greases conductThermal
often high LOI vs organic rubbersFire letter
42Atlas insulation
生产者
Momentive
GE silicone heritage.
Wacker
German silicones.
Dow
Dow Corning after restructure.
Shin-Etsu
Japanese fluids and wafers-adjacent.
Elkem
Silicon metal into silicones.
Xingfa / Hesheng
Chinese capacity.
Ask for the route (primary, scrap, bio) before believing a green label.