Euclid Chemical Eucolast Polyol Air-Entraining Agent from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, 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