Purified Isophthalic Acid (PIA) from China
Purified Isophthalic Acid (PIA) is high-purity isophthalic acid (>99.8%) produced via cyclohexane oxidation, used in high-performance coatings and specialty polyesters. It meets the criteria for tariff item 2917.39.00 as a chemically defined aromatic dicarboxylic acid.
Duty Rate — China → Canada
0%
Import Tips
• Provide a certificate of analysis showing purity above 99.8%
• Ensure the production process is documented if requested
• Verify that no impurities affect the chemically defined status