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Wood Treating Chemicals from KMG-Bernuth

KMG-Bernuth, Inc. is the sole supplier of EPA-registered Pentachlorophenol (Penta) in North America. Penta has played a critical role in the development of the nation’s communications and construction infrastructures. For approximately 60 years, Penta has been used by power generation and telecommunications companies to protect their utility poles.


KMG-Bernuth is the only manufacturer of Penta in North America. Our Penta products include Penta blocks and solutions. KMG de Mexico, our subsidiary in Mexico, manufactures technical Penta and also produces and sells hydrochloric acid, which is a byproduct of the Penta manufacturing process.

At our facility in Matamoros, Mexico, we manufacture solid Penta blocks or make it into a liquid solution of Penta concentrate. We also make Penta concentrate at our formulation facility in Tuscaloosa, Alabama.

Why choose Penta from KMG-Bernuth?

  • Highly effective against insect damage and weather decay
  • 60-plus year track record of environmental safety
  • End-of-life Penta-treated poles can be reused and recycled or burned for energy in combustion units and industrial boilers
  • Environmentally-friendly option relative to steel poles, which consume eight times more fossil fuel in the manufacturing process than wooden poles, according to the Swiss Federal Laboratories for Materials Testing and Research.

Dura-Treat 40 Wood Preserver – Safety Data Sheet (PDF 67KB)
Penta OL Penta Blocks – Safety Data Sheet (PDF 63KB)