20 February 2026
Disclaimer: This is a simplified summary of a public company filing. See full disclaimer here.
UNION CARBIDE CORP /NEW/
CIK: 100790•1 Annual Report•Latest: 2026-02-03
10-K / February 3, 2026
Union Carbide Corporation
Overview
- Union Carbide Corporation (UCC) is a chemicals and polymers company and has been a wholly owned subsidiary of The Dow Chemical Company (TDCC) since 2001.
- TDCC has been a wholly owned subsidiary of Dow Inc. since 2019; Dow Inc. operates all of TDCC’s businesses.
- Unless otherwise indicated, “Corporation” or “UCC” refers to Union Carbide Corporation and its consolidated subsidiaries; “Dow” refers to Dow Inc., together with TDCC and its consolidated subsidiaries.
- TDCC conducts worldwide operations; UCC’s activities are components of TDCC’s global businesses.
- The Corporation sells substantially all of its products to TDCC to simplify the customer interface; prices are determined under an agreement between UCC and TDCC.
- The Corporation’s Board, acting under authority from TDCC, functions as the CODM (chief operating decision maker) to assess results and allocate resources.
- UCC’s results are reported as a single operating segment to the CODM.
Corporate structure and reporting
- The Corporation’s results are presented as a single operating segment in consolidated financial statements.
- Public filings (Forms 10-K, 10-Q, 8-K) are posted on the Corporation’s website and on the SEC website; the Corporation’s website content is not incorporated by reference into the report.
Product portfolio
- Ethylene Oxide / Ethylene Glycol (EO/EG)
- Ethylene oxide (chemical intermediate)
- Monoethylene glycol (MEG), polyethylene glycols, glycol ethers, ethanolamines, surfactants, and other performance chemicals and polymers
- Di- and tri-ethylene glycols used in boat construction, shoe manufacturing, natural gas drying, moisture removal, and plasticizers for safety glasses
- Tetraethylene glycol used primarily for plasticizers for automotive windows
- MEG used in polyester fiber, resin and film production, automotive antifreeze and engine coolants, and aircraft anti-icing/deicing fluids
- Hydrocarbons
- Ethylene and propylene as internal feedstocks for downstream product lines
- Primary raw material streams derived from natural gas liquids (NGLs) from natural gas and crude oil production
- Industrial Chemicals and Polymers
- Specialty applications including animal feed supplements, personal care, industrial and household cleaning, and coatings for beverage/food cans and industrial uses
- Key lines: acrolein and derivatives; ethyleneamines; CARBOWAX and SENTRY polyethylene glycols and methoxypolyethylene glycols; TERGITOL and TRITON surfactants; UCAR deicing fluids; UCARTHERM heat transfer fluids; UCON fluids
- Polyethylene
- FLEXOMER very low-density polyethylene (impact modifiers, flexible hose/tubing, packaging)
- TUFLIN linear low-density polyethylene; UNIVAL high-density polyethylene (housewares, bottles, packaging, pipes)
- Solvents and Intermediates
- Oxo aldehydes, acids, alcohols and esters used in coatings, printing inks, pharmaceuticals and polymers
- Technology Licensing and Catalysts
- METEOR™ EO/EG process licensing and LP OXO process licensing for oxo alcohols
- Vinyl Acetate Monomer
- Building block for polymers used in water-based paints, adhesives, paper coatings, textiles, safety glass and acrylic fibers
- Wire and Cable Applications
- Polyolefin-based compounds for insulation, semiconductives, and jacketing systems
- Key lines: REDI-LINK, SI-LINK, UNIGARD flame-retardant compounds, UNIGARD reduced-emissions flame-retardant compounds, UNIPURGE purging compounds
Raw materials and supply
- Integrated manufacturing environment with hydrocarbon-based raw materials as the major feedstocks
- Purchases include ethane, propane and butane
- Internal balancing of ethylene and propylene through intercompany trades
- Primary raw material source: natural gas liquids (NGLs) derived from natural gas and crude oil production
- Suppliers include regional, international and national oil and gas companies
Intellectual property
- Patents and licenses are actively pursued; licenses include the METEOR™ EO/EG process and the LP OXO process
- As of December 31, 2025, UCC owned 56 active U.S. patents and 347 active foreign patents
- The company holds a large number of trademarks and is not materially dependent on any single patent, license or trademark
Environmental, health, safety and regulatory
- Environmental matters are addressed in MD&A and related notes
- UCC is subject to environmental laws and regulations worldwide covering pollution, emissions, hazardous substances, waste and remediation
- Compliance and remediation obligations can result in material costs and affect operations and capital expenditures
Dividends and intercompany distributions
- Dividends to TDCC: $28 million in 2025; $228 million in 2024
- In 2025, UCC received a distribution of $735 million from Dow International Holdings Company (a related company in which UCC holds a minority interest); that distribution was subsequently paid to TDCC
- TDCC is the Corporation’s sole shareholder and its major customer; intercompany financing affects liquidity considerations
Customers
- UCC sells substantially all of its products to TDCC; TDCC is the Corporation’s major customer
Availability of information
- Public filings (Annual Reports on Form 10-K, Quarterly Reports on Form 10-Q, Current Reports on Form 8-K) and amendments are available on the Corporation’s website and the SEC website
