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%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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