Persulfate Mixture for Polymerization from China
Technical grade blend of ammonium and sodium persulfates for initiating acrylic emulsion polymerization. Still classified HTS 2833.40.60.50 as 'other' peroxosulfates if chemically defined and predominant. Meets Chapter 28 purity standards when not prepared mixtures.
Duty Rate — China → United States
38.1%
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
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)
Import Tips
• Blend ratio documentation essential; >90% persulfates keeps in 2833.40 vs 3824
• Specify 'for industrial polymerization use only' to avoid consumer prep reclass
• TSCA declaration for new chemical substances if novel blend