Asaphlex 30S SBS Powder from China
Asaphlex 30S is a fine SBS powder from solution polymerization, ≤50% styrene, designed for asphalt modification and sealants. Classifies in HTS 4002.19.00.14 as synthetic rubber powder meeting primary form criteria without disallowed compounding. Thermoplastic elastomer retains rubber recovery properties.
Duty Rate — China → United States
35%
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
• Use ICC/ES reports for construction-grade SBS to support valuation and origin claims
• Avoid adding antioxidants beyond 'very small amounts' per Note 5(b)(iii) to stay in primary form
• CBP may request vulcanization test data; maintain supplier test protocols