Asaphlex 30S SBS Powder from Canada
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 — Canada → United States
10%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
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