PFOS Potassium Salt Technical Grade 98% from Japan
Technical grade potassium perfluorooctane sulfonate with 98% purity, used in manufacturing fire-fighting foams and coatings. Despite the lower purity, it is still a separate chemically defined compound (with impurities) per Chapter 29 Note 1(a), and is the potassium salt of perfluorooctane sulphonic acid, falling under tariff item 2904.34.00.
Duty Rate — Japan → Canada
0%
Import Tips
• Verify that the impurities do not include other compounds that would change classification; if only impurities, it remains under this item
• Check Canadian regulations on PFOS in fire-fighting foams, as import may be restricted
• Provide a detailed product specification sheet to CBSA for accurate assessment