Producer
Solvay
Belgian specialty chemical company (Euronext: SOLB, HQ Brussels; ~€4.9B revenue after 2023 split); major global HF (hydrogen fluoride) producer and the world's largest producer of fluorine-based specialty chemicals. Solvay's HF is produced at multiple European sites (Dombasle-sur-Meurthe, France; Rosignano, Italy) via reaction of fluorspar (CaF2) with sulfuric acid. HF is the gateway chemical for Solvay's entire fluorine chemistry chain: HF → fluoropolymers (PTFE, PVDF), refrigerants (HFCs/HFOs), specialty fluorinated gases (NF3 precursor), and electronic-grade HF for semiconductors. Solvay split into two companies in December 2023 — the new 'Solvay' retained the specialty chemicals (including HF and fluorine) while 'Syensqo' retained the advanced materials — so the HF supply chain is now within the post-split Solvay entity. Solvay was founded in 1863 by Ernest Solvay, inventor of the Solvay process for soda ash (sodium carbonate) production — the same Belgian industrial dynasty that revolutionized 19th-century chemical manufacturing now controls a critical node in 21st-century semiconductor supply chains.
4
Inputs supplied
4
Goods downstream
2
Facilities
0
Stories
What they make
4 inputs Solvay supplies
Click an input to see every good that depends on it, every country that produces it, and every other company in the supply chain.
chemical
Hydrogen Fluoride (HF) →
chemical
Hydrofluoric Acid (Anhydrous HF) →
chemical
FM-200 / HFC-227ea Clean Agent →
mineral
Soda Ash (Sodium Carbonate) →
Where it shows up
Goods downstream
Essential goods that depend on something Solvay makes — pick one to see the full supply chain.
Where they make it
2 facilities
Solvay Fluor – Tavaux, France (Fluorochemicals) →
FRBourgogne-Franche-Comté
Solvay's major fluorochemicals production site in Tavaux, Côte-d'Or department, Bourgogne-Franche-Comté region. Produces HFC-365mfc, HFC-143a, and other fluorochemicals including "Solkaflam 227" (the Solvay brand name for HFC-227ea per Wikipedia). Direct confirmation of HFC-227ea production at Tavaux was inferential from available public sources — Solkaflam 227 brand is confirmed, production location is most consistent with Tavaux. Also produces HFO refrigerants for EU F-gas compliance market.
Solvay Green River Soda Ash Plant →
USWyoming · mining
Solvay's Wyoming trona soda ash mine and processing plant in the Green River Basin; one of the world's lowest-cost soda ash producers. Part of the natural trona cluster supplying ~30% of global natural soda ash.
What else they do
Business segments
The company's full revenue map — where this supply-chain role fits within their broader business.
Soda Ash & Sodium Bicarbonate (Heritage Business)
35%HF & Fluorine Chemicals (Gateway to Semiconductor Supply Chain)
30%Silica & Specialty Materials (Now Syensqo Post-Split)
20%Peroxides & Oxygenated Products
15%
Intelligence
What's known
Sourced claims about this company's role in supply chains — chokepoints, concentration, incidents, dual-use connections.
Did you know2023
Solvay — founded to produce soda ash for 19th-century glass manufacturing — is now a major producer of electronic-grade hydrogen fluoride (HF) for 21st-century semiconductor chip manufacturing. The same Belgian company that enabled the plate glass industry (windows, mirrors, glass containers) by commercializing Ernest Solvay's 1863 process also enables the semiconductor chips that are replacing glass windows with LED displays. Solvay's HF is used to etch silicon oxide, strip photoresist, and clean semiconductor wafers at fabs worldwide. Beyond semiconductors, Solvay produces FM-200® (HFC-227ea) fire suppression agent used in data centers, aircraft, and electronics facilities — the fire suppression protecting the servers running on chips made possible by Solvay's HF. A 19th-century Belgian soda ash dynasty is at the foundation of both what glass replaced (old light transmission technology) and what replaced glass (semiconductor electronics).
Solvay SA ↗Capacity2023
In December 2023, Solvay separated into two publicly listed companies: the continuing 'Solvay' entity (retaining specialty chemicals: soda ash, HF/fluorine chemistry, silica, hydrogen peroxide, sodium bicarbonate) and 'Syensqo' (retaining advanced materials: carbon fiber composites, specialty polymers/PEEK, high-performance films). This split separated Ernest Solvay's 160-year-old soda ash heritage business from the advanced materials businesses built through 20th century acquisitions. Post-split Solvay remains the world's largest soda ash producer (~25% global share) AND a major HF/fluorine chemical supplier — but the PVDF battery binder and specialty polymer businesses (which would have connected Solvay to EV batteries) moved to Syensqo. The split reveals the tension within a diversified chemical conglomerate: soda ash and HF chemistry are both mature industrial businesses with different growth profiles than advanced composites and specialty polymers.
Solvay SA ↗