Carbon Materials & ChemicalsLearn More
Koppers carbon materials and chemicals are essential to the production of aluminum, steel, plastics, resins, treated wood, and rubber products. In addition, the carbon materials and chemicals also increase the durability of many products such as railroad ties, utility and transmission poles, and marine pilings.
As a leading distiller of coal tar, a by-product of the transformation of coal into coke, Koppers produces carbon pitch, refined tar, creosote, carbon black feedstock, and chemical oils. The chemical oils resulting from distillation are used to produce naphthalene and phthalic anhydride (PAA).
Railroad Products and ServicesLearn More
Koppers is a world leader in the manufacturing of pressure-treated wood products used primarily for the railroad and electric/communications industries. Treated wood makes structures more durable and resistant to decay, thereby increasing safety, reducing replacement costs, and preserving valuable forests.
Koppers has been serving the railroad industry with treated wood railroad ties and railroad crossing panel products for over 20 years. In North America, we are the largest provider of railroad crossties for the Class I Railroads and are known for our pre-plated crossties. Utilities rely on our treated wood poles to support overhead electric lines.
- Engineering & Design
- Bridge Inspection
- Internal Treatment
- New Bridge Construction
- Timber Bridge Repair
- Steel Bridge Repair
- Concrete Bridge Repair