Calcium Sulfonate Concrete Accelerator from Mexico
A powdered additive made entirely from inorganic calcium sulfonate compounds used to accelerate the setting time of concrete in cold weather applications. It falls under HTS 3824.40.20.00 as a prepared additive for cements and concretes consisting wholly of inorganic substances. This product enhances early strength development without affecting final compressive strength.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Verify 100% inorganic composition via lab analysis to avoid reclassification; obtain supplier certificates confirming no organic content; ensure proper labeling as 'inorganic concrete additive' for CBP review