Calumet announces price increase on Naphthenic Oils – Effective April 7, 2026
The Calumet naphthenic oils price increase April 2026 was announced on April 2, 2026. According to Calumet, this adjustment is driven by current market conditions. The increase will take effect on April 7, 2026.As market pressure continues, pricing adjustments remain active across the industry. Therefore, companies using naphthenic oils should review their sourcing plans.
Scope of the adjustment