Umicore, a leading supplier of naphthenic acid, leverages years of expertise and operates Europe’s largest distillation unit. Our products are widely trusted in the wood industry, where they are used in preservatives for wood products like fence posts, utility poles, and railroad ties, providing reliable protection against decay and insect damage.

Our natural acid can be transformed into valuable chemicals such as copper naphthenate, an effective wood treatment that deeply penetrates timber for long-lasting defense against decay, insect infestation, and water damage. Copper naphthenate is compatible with a wide variety of wood types and can be easily applied to surfaces. Choose the right chemical components to achieve essential properties, including antifungal, insecticidal and water-repellent functionalities.

Naphthenic acid is an environmentally responsible choice for wood protection. Derived from crude oil, these acids are biodegradable and do not accumulate in the environment, making them a safe and eco-friendly option for preserving wood.

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