High-Purity PPO for Plastic Scintillators from Canada
Ultra-pure 2,5-Diphenyloxazole (PPO) dissolved at 2% in polystyrene for extruded plastic scintillator sheets, under HTS 2934.99.08.00 when imported as pure active ingredient. Essential for high-energy physics detectors and security screening systems. Provides 360nm emission peak matching PMT sensitivity.
Duty Rate — Canada → United States
110%
Rate breakdown
9903.04.6093.5%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
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
• Specify 'Active Ingredient Only' on invoice when importing bulk powder separate from polymer matrix
• Provide solubility data in common solvents (toluene >10g/100ml) for end-use verification
• Comply with ITAR export controls if ultimate destination involves nuclear detection equipment