Euclid Chemical Eucolast Polyol Air-Entraining Agent from Mexico
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 — Mexico → United States
15%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
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