Producer

Koppers Holdings

KOPHQ US · Pennsylvaniawebsite ↗

Leading US producer of carbon compounds and wood preservation chemicals; supplies copper-based preservatives (ACQ, CA-B) to the pressure-treated lumber industry. Also major railroad tie treater.

3

Inputs supplied

1

Goods downstream

3

Facilities

0

Stories

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  • Railroad & Utility Pole Treatment (Creosote)

    40%
  • Performance Chemicals (Wood Preservatives for Construction)

    30%
  • Carbon Materials (Coal Tar Chemicals)

    30%

Intelligence

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  • Did you know2023

    Koppers Holdings produces coal tar pitch (used as an anode binder in aluminum smelting) AND treats the wooden railroad crossties that underpin US freight rail — AND provides the copper-based preservatives for residential pressure-treated lumber. Three completely separate critical infrastructure supply chains: (1) Aluminum production infrastructure — coal tar pitch binds the pre-baked carbon anodes that are consumed in every Hall-Heroult electrolysis cell producing primary aluminum; without coal tar pitch, aluminum smelting cannot proceed; (2) US freight railroad infrastructure — creosote-treated wooden crossties are the standard tie type in 90%+ of US freight rail track; each tie lasts 20-30 years and is replaced at a steady rate; Koppers treats tens of millions of ties annually; (3) Residential housing infrastructure — copper-based wood preservatives (ACQ, CA-B) protect the pressure-treated lumber in decks, fencing, retaining walls, and below-grade structural members; Koppers' preservatives are in virtually every residential pressure-treated lumber purchase at Home Depot or Lowe's. The same Pittsburgh, Pennsylvania chemical company is embedded in metal production (aluminum), transportation infrastructure (rail), and housing construction — three sectors that rarely appear in the same supply chain discussion.

    Koppers Holdings Inc.
  • Origin2023

    Koppers Company was founded in 1912 by Heinrich Koppers — a German-American engineer who had designed coke ovens (used in steelmaking to convert coal to coke). Coal tar is the byproduct of coke production; Koppers built a business distilling coal tar into chemical products — creosote (wood preservative), naphthalene (chemical intermediate), and coal tar pitch (binder for aluminum anodes). The company grew through the 20th century processing coal tar as a byproduct of the American steel industry's coke ovens. As US steelmaking and coke production declined in the late 20th century, Koppers adapted by diversifying into other wood preservation chemicals (copper-based preservatives replacing creosote for residential lumber after EPA CCA phase-out) and acquiring railroad tie treatment facilities across the country. The same company descended from 1912 German-American coal chemistry is now embedded in: aluminum smelting infrastructure (coal tar pitch anode binder), US railroad freight infrastructure (creosote tie treatment), and residential housing construction (copper wood preservatives for pressure-treated decking).

    Koppers Holdings Inc.