According to ChemAnalyst, The Tetrahydrophthalic Anhydride Prices witnessed a notable upward trend during the first quarter of 2026, driven primarily by rising feedstock costs, tightening raw material availability, and improving downstream demand from the construction, coatings, and composite resin industries. Across major markets including North America, Asia-Pacific, and Europe, manufacturers experienced increasing production costs due to elevated butadiene and maleic anhyd