Sodium Gluconate Concrete Retarder from China
Specialty sodium gluconate formulated as concrete set retarder for hot weather pouring applications. Classified under 2918.16.50.10 as pure sodium gluconate meeting chapter purity requirements. Used at 0.2-0.5% dosage in ready-mix concrete.
Duty Rate — China → United States
28.7%
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)
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Declare as pure chemical even when marketed for concrete; end-use doesn't change heading
• Provide dosage recommendations proving <1% use rate maintains chemical identity
• Watch for reclassification if pre-diluted beyond chapter note (d) water limits