Commodity
Index-linkedBulk Silicone 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.
Cost bands
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.
Regions
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
Silicone moves as coils, bales, boards or chemicals — check HS codes, not vibes.
Key numbers
~1.1–1.5 g/cm³Density
~0.2 W/m·K; filled greases conductThermal
often high LOI vs organic rubbersFire letter
42Atlas insulation
Producers
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.
Keep exploring
More in Polymers
🧴
Polyethylene
The world’s volume plastic — bags, bottles, pipes and the UHMWPE cousin in medical and ballistic fibre.
Overall 40 🍳PTFE
Plunkett’s slippery fluoropolymer — non-stick, chemical linings and a high-temp plastic that still has a fire-and-fume story.
Overall 41 🛞Natural rubber
Cis-1,4-polyisoprene from Hevea — tyres still drink most of the world’s latex.
Overall 44