Euclid Chemical Eucolast Polyol Air-Entraining Agent from China
A synthetic polyol-based admixture that introduces microscopic air bubbles into concrete to improve freeze-thaw resistance. It qualifies for HTS 3824.40.5000 as a prepared concrete additive providing durability in cold climates. Commonly used in pavements and structural elements exposed to weathering.
Duty Rate — China → United States
42.5%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Test for air content compliance per ASTM C260; provide formulation details to avoid reclassification as surfactant; ensure temperature-stable shipping to maintain efficacy